129422890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{86861}}^1$

素因数の和:87017

約数の個数: 16

約数和(自身を含む): 234527400

約数和(自身を除く): 105104510

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 86861, 173722, 434305, 868610, 12942289, 25884578, 64711445, 129422890]

約数ペア:

[(1, 129422890), (2, 64711445), (5, 25884578), (10, 12942289), (149, 868610), (298, 434305), (745, 173722), (1490, 86861)]