38683970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 80317440

約数和(自身を除く): 41633470

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 331, 377, 403, 662, 754, 806, 899, 1655, 1798, 1885, 2015, 3310, 3770, 4030, 4303, 4495, 8606, 8990, 9599, 10261, 11687, 19198, 20522, 21515, 23374, 43030, 47995, 51305, 58435, 95990, 102610, 116870, 124787, 133393, 249574, 266786, 297569, 595138, 623935, 666965, 1247870, 1333930, 1487845, 2975690, 3868397, 7736794, 19341985, 38683970]

約数ペア:

[(1, 38683970), (2, 19341985), (5, 7736794), (10, 3868397), (13, 2975690), (26, 1487845), (29, 1333930), (31, 1247870), (58, 666965), (62, 623935), (65, 595138), (130, 297569), (145, 266786), (155, 249574), (290, 133393), (310, 124787), (331, 116870), (377, 102610), (403, 95990), (662, 58435), (754, 51305), (806, 47995), (899, 43030), (1655, 23374), (1798, 21515), (1885, 20522), (2015, 19198), (3310, 11687), (3770, 10261), (4030, 9599), (4303, 8990), (4495, 8606)]