156985105220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1\times {\mathrm{66239}}^1$

素因数の和:67988

約数の個数: 48

約数和(自身を含む): 334517299200

約数和(自身を除く): 177532193980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1669, 3338, 6676, 8345, 16690, 33380, 66239, 118499, 132478, 236998, 264956, 331195, 473996, 592495, 662390, 1184990, 1324780, 2369980, 4702969, 9405938, 18811876, 23514845, 47029690, 94059380, 110552891, 221105782, 442211564, 552764455, 1105528910, 2211057820, 7849255261, 15698510522, 31397021044, 39246276305, 78492552610, 156985105220]

約数ペア:

[(1, 156985105220), (2, 78492552610), (4, 39246276305), (5, 31397021044), (10, 15698510522), (20, 7849255261), (71, 2211057820), (142, 1105528910), (284, 552764455), (355, 442211564), (710, 221105782), (1420, 110552891), (1669, 94059380), (3338, 47029690), (6676, 23514845), (8345, 18811876), (16690, 9405938), (33380, 4702969), (66239, 2369980), (118499, 1324780), (132478, 1184990), (236998, 662390), (264956, 592495), (331195, 473996)]