1888018860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{345791}}^1$

素因数の和:345823

約数の個数: 96

約数和(自身を含む): 6506422272

約数和(自身を除く): 4618403412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 345791, 691582, 1037373, 1383164, 1728955, 2074746, 2420537, 3457910, 4149492, 4495283, 4841074, 5186865, 6915820, 7261611, 8990566, 9682148, 10373730, 12102685, 13485849, 14523222, 17981132, 20747460, 22476415, 24205370, 26971698, 29046444, 31466981, 36308055, 44952830, 48410740, 53943396, 62933962, 67429245, 72616110, 89905660, 94400943, 125867924, 134858490, 145232220, 157334905, 188801886, 269716980, 314669810, 377603772, 472004715, 629339620, 944009430, 1888018860]

約数ペア:

[(1, 1888018860), (2, 944009430), (3, 629339620), (4, 472004715), (5, 377603772), (6, 314669810), (7, 269716980), (10, 188801886), (12, 157334905), (13, 145232220), (14, 134858490), (15, 125867924), (20, 94400943), (21, 89905660), (26, 72616110), (28, 67429245), (30, 62933962), (35, 53943396), (39, 48410740), (42, 44952830), (52, 36308055), (60, 31466981), (65, 29046444), (70, 26971698), (78, 24205370), (84, 22476415), (91, 20747460), (105, 17981132), (130, 14523222), (140, 13485849), (156, 12102685), (182, 10373730), (195, 9682148), (210, 8990566), (260, 7261611), (273, 6915820), (364, 5186865), (390, 4841074), (420, 4495283), (455, 4149492), (546, 3457910), (780, 2420537), (910, 2074746), (1092, 1728955), (1365, 1383164), (1820, 1037373), (2730, 691582), (5460, 345791)]