249478740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:671

約数の個数: 288

約数和(自身を含む): 965502720

約数和(自身を除く): 716023980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 28, 30, 34, 35, 36, 38, 42, 45, 51, 57, 60, 63, 68, 70, 76, 84, 85, 90, 95, 102, 105, 114, 119, 126, 133, 140, 153, 170, 171, 180, 190, 204, 210, 228, 238, 252, 255, 266, 285, 306, 315, 323, 340, 342, 357, 380, 399, 420, 476, 510, 532, 570, 595, 612, 613, 630, 646, 665, 684, 714, 765, 798, 855, 969, 1020, 1071, 1140, 1190, 1197, 1226, 1260, 1292, 1330, 1428, 1530, 1596, 1615, 1710, 1785, 1839, 1938, 1995, 2142, 2261, 2380, 2394, 2452, 2660, 2907, 3060, 3065, 3230, 3420, 3570, 3678, 3876, 3990, 4284, 4291, 4522, 4788, 4845, 5355, 5517, 5814, 5985, 6130, 6460, 6783, 7140, 7356, 7980, 8582, 9044, 9195, 9690, 10421, 10710, 11034, 11305, 11628, 11647, 11970, 12260, 12873, 13566, 14535, 17164, 18390, 19380, 20349, 20842, 21420, 21455, 22068, 22610, 23294, 23940, 25746, 27132, 27585, 29070, 31263, 33915, 34941, 36780, 38619, 40698, 41684, 42910, 45220, 46588, 51492, 52105, 55170, 58140, 58235, 62526, 64365, 67830, 69882, 72947, 77238, 81396, 81529, 85820, 93789, 101745, 104210, 104823, 110340, 116470, 125052, 128730, 135660, 139764, 145894, 154476, 156315, 163058, 174705, 187578, 193095, 197999, 203490, 208420, 209646, 218841, 232940, 244587, 257460, 291788, 312630, 326116, 349410, 364735, 375156, 386190, 395998, 406980, 407645, 419292, 437682, 468945, 489174, 524115, 593997, 625260, 656523, 698820, 729470, 733761, 772380, 791996, 815290, 875364, 937890, 978348, 989995, 1048230, 1094205, 1187994, 1222935, 1313046, 1385993, 1458940, 1467522, 1630580, 1781991, 1875780, 1979990, 2096460, 2188410, 2375988, 2445870, 2626092, 2771986, 2935044, 2969985, 3282615, 3563982, 3668805, 3959980, 4157979, 4376820, 4891740, 5543972, 5939970, 6565230, 6929965, 7127964, 7337610, 8315958, 8909955, 11879940, 12473937, 13130460, 13859930, 14675220, 16631916, 17819910, 20789895, 24947874, 27719860, 35639820, 41579790, 49895748, 62369685, 83159580, 124739370, 249478740]

約数ペア:

[(1, 249478740), (2, 124739370), (3, 83159580), (4, 62369685), (5, 49895748), (6, 41579790), (7, 35639820), (9, 27719860), (10, 24947874), (12, 20789895), (14, 17819910), (15, 16631916), (17, 14675220), (18, 13859930), (19, 13130460), (20, 12473937), (21, 11879940), (28, 8909955), (30, 8315958), (34, 7337610), (35, 7127964), (36, 6929965), (38, 6565230), (42, 5939970), (45, 5543972), (51, 4891740), (57, 4376820), (60, 4157979), (63, 3959980), (68, 3668805), (70, 3563982), (76, 3282615), (84, 2969985), (85, 2935044), (90, 2771986), (95, 2626092), (102, 2445870), (105, 2375988), (114, 2188410), (119, 2096460), (126, 1979990), (133, 1875780), (140, 1781991), (153, 1630580), (170, 1467522), (171, 1458940), (180, 1385993), (190, 1313046), (204, 1222935), (210, 1187994), (228, 1094205), (238, 1048230), (252, 989995), (255, 978348), (266, 937890), (285, 875364), (306, 815290), (315, 791996), (323, 772380), (340, 733761), (342, 729470), (357, 698820), (380, 656523), (399, 625260), (420, 593997), (476, 524115), (510, 489174), (532, 468945), (570, 437682), (595, 419292), (612, 407645), (613, 406980), (630, 395998), (646, 386190), (665, 375156), (684, 364735), (714, 349410), (765, 326116), (798, 312630), (855, 291788), (969, 257460), (1020, 244587), (1071, 232940), (1140, 218841), (1190, 209646), (1197, 208420), (1226, 203490), (1260, 197999), (1292, 193095), (1330, 187578), (1428, 174705), (1530, 163058), (1596, 156315), (1615, 154476), (1710, 145894), (1785, 139764), (1839, 135660), (1938, 128730), (1995, 125052), (2142, 116470), (2261, 110340), (2380, 104823), (2394, 104210), (2452, 101745), (2660, 93789), (2907, 85820), (3060, 81529), (3065, 81396), (3230, 77238), (3420, 72947), (3570, 69882), (3678, 67830), (3876, 64365), (3990, 62526), (4284, 58235), (4291, 58140), (4522, 55170), (4788, 52105), (4845, 51492), (5355, 46588), (5517, 45220), (5814, 42910), (5985, 41684), (6130, 40698), (6460, 38619), (6783, 36780), (7140, 34941), (7356, 33915), (7980, 31263), (8582, 29070), (9044, 27585), (9195, 27132), (9690, 25746), (10421, 23940), (10710, 23294), (11034, 22610), (11305, 22068), (11628, 21455), (11647, 21420), (11970, 20842), (12260, 20349), (12873, 19380), (13566, 18390), (14535, 17164)]