89021220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20897}}^1$

素因数の和:20980

約数の個数: 48

約数和(自身を含む): 252782208

約数和(自身を除く): 163760988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 20897, 41794, 62691, 83588, 104485, 125382, 208970, 250764, 313455, 417940, 626910, 1253820, 1483687, 2967374, 4451061, 5934748, 7418435, 8902122, 14836870, 17804244, 22255305, 29673740, 44510610, 89021220]

約数ペア:

[(1, 89021220), (2, 44510610), (3, 29673740), (4, 22255305), (5, 17804244), (6, 14836870), (10, 8902122), (12, 7418435), (15, 5934748), (20, 4451061), (30, 2967374), (60, 1483687), (71, 1253820), (142, 626910), (213, 417940), (284, 313455), (355, 250764), (426, 208970), (710, 125382), (852, 104485), (1065, 83588), (1420, 62691), (2130, 41794), (4260, 20897)]