28787850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 288

約数和(自身を含む): 102910080

約数和(自身を除く): 74122230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 25, 26, 30, 35, 37, 38, 39, 42, 45, 50, 57, 63, 65, 70, 74, 75, 78, 90, 91, 95, 105, 111, 114, 117, 126, 130, 133, 150, 171, 175, 182, 185, 190, 195, 210, 222, 225, 234, 247, 259, 266, 273, 285, 315, 325, 333, 342, 350, 370, 390, 399, 450, 455, 475, 481, 494, 518, 525, 546, 555, 570, 585, 630, 650, 665, 666, 703, 741, 777, 798, 819, 855, 910, 925, 950, 962, 975, 1050, 1110, 1170, 1197, 1235, 1295, 1330, 1365, 1406, 1425, 1443, 1482, 1554, 1575, 1638, 1665, 1710, 1729, 1850, 1950, 1995, 2109, 2223, 2275, 2331, 2394, 2405, 2470, 2590, 2730, 2775, 2850, 2886, 2925, 3150, 3325, 3330, 3367, 3458, 3515, 3705, 3885, 3990, 4095, 4218, 4275, 4329, 4446, 4550, 4662, 4810, 4921, 5187, 5550, 5850, 5985, 6175, 6327, 6475, 6650, 6734, 6825, 7030, 7215, 7410, 7770, 8190, 8325, 8550, 8645, 8658, 9139, 9842, 9975, 10101, 10374, 10545, 11115, 11655, 11970, 12025, 12350, 12654, 12950, 13650, 14430, 14763, 15561, 16650, 16835, 17290, 17575, 18278, 18525, 19425, 19950, 20202, 20475, 21090, 21645, 22230, 23310, 24050, 24605, 25935, 27417, 29526, 29925, 30303, 31122, 31635, 33670, 35150, 36075, 37050, 38850, 40950, 43225, 43290, 44289, 45695, 49210, 50505, 51870, 52725, 54834, 55575, 58275, 59850, 60606, 63270, 63973, 72150, 73815, 77805, 82251, 84175, 86450, 88578, 91390, 101010, 105450, 108225, 111150, 116550, 123025, 127946, 129675, 137085, 147630, 151515, 155610, 158175, 164502, 168350, 191919, 216450, 221445, 228475, 246050, 252525, 259350, 274170, 303030, 316350, 319865, 369075, 383838, 389025, 411255, 442890, 456950, 505050, 575757, 639730, 685425, 738150, 757575, 778050, 822510, 959595, 1107225, 1151514, 1370850, 1515150, 1599325, 1919190, 2056275, 2214450, 2878785, 3198650, 4112550, 4797975, 5757570, 9595950, 14393925, 28787850]

約数ペア:

[(1, 28787850), (2, 14393925), (3, 9595950), (5, 5757570), (6, 4797975), (7, 4112550), (9, 3198650), (10, 2878785), (13, 2214450), (14, 2056275), (15, 1919190), (18, 1599325), (19, 1515150), (21, 1370850), (25, 1151514), (26, 1107225), (30, 959595), (35, 822510), (37, 778050), (38, 757575), (39, 738150), (42, 685425), (45, 639730), (50, 575757), (57, 505050), (63, 456950), (65, 442890), (70, 411255), (74, 389025), (75, 383838), (78, 369075), (90, 319865), (91, 316350), (95, 303030), (105, 274170), (111, 259350), (114, 252525), (117, 246050), (126, 228475), (130, 221445), (133, 216450), (150, 191919), (171, 168350), (175, 164502), (182, 158175), (185, 155610), (190, 151515), (195, 147630), (210, 137085), (222, 129675), (225, 127946), (234, 123025), (247, 116550), (259, 111150), (266, 108225), (273, 105450), (285, 101010), (315, 91390), (325, 88578), (333, 86450), (342, 84175), (350, 82251), (370, 77805), (390, 73815), (399, 72150), (450, 63973), (455, 63270), (475, 60606), (481, 59850), (494, 58275), (518, 55575), (525, 54834), (546, 52725), (555, 51870), (570, 50505), (585, 49210), (630, 45695), (650, 44289), (665, 43290), (666, 43225), (703, 40950), (741, 38850), (777, 37050), (798, 36075), (819, 35150), (855, 33670), (910, 31635), (925, 31122), (950, 30303), (962, 29925), (975, 29526), (1050, 27417), (1110, 25935), (1170, 24605), (1197, 24050), (1235, 23310), (1295, 22230), (1330, 21645), (1365, 21090), (1406, 20475), (1425, 20202), (1443, 19950), (1482, 19425), (1554, 18525), (1575, 18278), (1638, 17575), (1665, 17290), (1710, 16835), (1729, 16650), (1850, 15561), (1950, 14763), (1995, 14430), (2109, 13650), (2223, 12950), (2275, 12654), (2331, 12350), (2394, 12025), (2405, 11970), (2470, 11655), (2590, 11115), (2730, 10545), (2775, 10374), (2850, 10101), (2886, 9975), (2925, 9842), (3150, 9139), (3325, 8658), (3330, 8645), (3367, 8550), (3458, 8325), (3515, 8190), (3705, 7770), (3885, 7410), (3990, 7215), (4095, 7030), (4218, 6825), (4275, 6734), (4329, 6650), (4446, 6475), (4550, 6327), (4662, 6175), (4810, 5985), (4921, 5850), (5187, 5550)]