28028385420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{1009}}^1$

素因数の和:1165

約数の個数: 288

約数和(自身を含む): 96133900800

約数和(自身を除く): 68105515380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 59, 60, 70, 76, 84, 95, 105, 114, 118, 133, 140, 177, 190, 210, 228, 236, 266, 285, 295, 354, 380, 399, 413, 420, 532, 570, 590, 665, 708, 798, 826, 885, 1009, 1121, 1140, 1180, 1239, 1330, 1596, 1652, 1770, 1995, 2018, 2065, 2242, 2478, 2660, 3027, 3363, 3481, 3540, 3990, 4036, 4130, 4484, 4956, 5045, 5605, 6054, 6195, 6726, 6962, 7063, 7847, 7980, 8260, 10090, 10443, 11210, 12108, 12390, 13452, 13924, 14126, 15135, 15694, 16815, 17405, 19171, 20180, 20886, 21189, 22420, 23541, 24367, 24780, 28252, 30270, 31388, 33630, 34810, 35315, 38342, 39235, 41772, 42378, 47082, 48734, 52215, 57513, 59531, 60540, 66139, 67260, 69620, 70630, 73101, 76684, 78470, 84756, 94164, 95855, 97468, 104430, 105945, 115026, 117705, 119062, 121835, 132278, 134197, 141260, 146202, 156940, 178593, 191710, 198417, 208860, 211890, 230052, 235410, 238124, 243670, 264556, 268394, 287565, 292404, 297655, 330695, 357186, 365505, 383420, 396834, 402591, 416717, 423780, 462973, 470820, 487340, 536788, 575130, 595310, 661390, 670985, 714372, 731010, 793668, 805182, 833434, 892965, 925946, 992085, 1131089, 1150260, 1190620, 1250151, 1322780, 1341970, 1388919, 1462020, 1610364, 1666868, 1785930, 1851892, 1984170, 2012955, 2083585, 2262178, 2314865, 2500302, 2683940, 2777838, 3393267, 3512329, 3571860, 3968340, 4025910, 4167170, 4524356, 4629730, 5000604, 5555676, 5655445, 6250755, 6786534, 6944595, 7024658, 7917623, 8051820, 8334340, 9259460, 10536987, 11310890, 12501510, 13573068, 13889190, 14049316, 15835246, 16966335, 17561645, 21073974, 22621780, 23752869, 24586303, 25003020, 27778380, 31670492, 33932670, 35123290, 39588115, 42147948, 47505738, 49172606, 52684935, 66734251, 67865340, 70246580, 73758909, 79176230, 95011476, 98345212, 105369870, 118764345, 122931515, 133468502, 147517818, 158352460, 200202753, 210739740, 237528690, 245863030, 266937004, 295035636, 333671255, 368794545, 400405506, 467139757, 475057380, 491726060, 667342510, 737589090, 800811012, 934279514, 1001013765, 1334685020, 1401419271, 1475178180, 1868559028, 2002027530, 2335698785, 2802838542, 4004055060, 4671397570, 5605677084, 7007096355, 9342795140, 14014192710, 28028385420]

約数ペア:

[(1, 28028385420), (2, 14014192710), (3, 9342795140), (4, 7007096355), (5, 5605677084), (6, 4671397570), (7, 4004055060), (10, 2802838542), (12, 2335698785), (14, 2002027530), (15, 1868559028), (19, 1475178180), (20, 1401419271), (21, 1334685020), (28, 1001013765), (30, 934279514), (35, 800811012), (38, 737589090), (42, 667342510), (57, 491726060), (59, 475057380), (60, 467139757), (70, 400405506), (76, 368794545), (84, 333671255), (95, 295035636), (105, 266937004), (114, 245863030), (118, 237528690), (133, 210739740), (140, 200202753), (177, 158352460), (190, 147517818), (210, 133468502), (228, 122931515), (236, 118764345), (266, 105369870), (285, 98345212), (295, 95011476), (354, 79176230), (380, 73758909), (399, 70246580), (413, 67865340), (420, 66734251), (532, 52684935), (570, 49172606), (590, 47505738), (665, 42147948), (708, 39588115), (798, 35123290), (826, 33932670), (885, 31670492), (1009, 27778380), (1121, 25003020), (1140, 24586303), (1180, 23752869), (1239, 22621780), (1330, 21073974), (1596, 17561645), (1652, 16966335), (1770, 15835246), (1995, 14049316), (2018, 13889190), (2065, 13573068), (2242, 12501510), (2478, 11310890), (2660, 10536987), (3027, 9259460), (3363, 8334340), (3481, 8051820), (3540, 7917623), (3990, 7024658), (4036, 6944595), (4130, 6786534), (4484, 6250755), (4956, 5655445), (5045, 5555676), (5605, 5000604), (6054, 4629730), (6195, 4524356), (6726, 4167170), (6962, 4025910), (7063, 3968340), (7847, 3571860), (7980, 3512329), (8260, 3393267), (10090, 2777838), (10443, 2683940), (11210, 2500302), (12108, 2314865), (12390, 2262178), (13452, 2083585), (13924, 2012955), (14126, 1984170), (15135, 1851892), (15694, 1785930), (16815, 1666868), (17405, 1610364), (19171, 1462020), (20180, 1388919), (20886, 1341970), (21189, 1322780), (22420, 1250151), (23541, 1190620), (24367, 1150260), (24780, 1131089), (28252, 992085), (30270, 925946), (31388, 892965), (33630, 833434), (34810, 805182), (35315, 793668), (38342, 731010), (39235, 714372), (41772, 670985), (42378, 661390), (47082, 595310), (48734, 575130), (52215, 536788), (57513, 487340), (59531, 470820), (60540, 462973), (66139, 423780), (67260, 416717), (69620, 402591), (70630, 396834), (73101, 383420), (76684, 365505), (78470, 357186), (84756, 330695), (94164, 297655), (95855, 292404), (97468, 287565), (104430, 268394), (105945, 264556), (115026, 243670), (117705, 238124), (119062, 235410), (121835, 230052), (132278, 211890), (134197, 208860), (141260, 198417), (146202, 191710), (156940, 178593)]