315083140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{177013}}^1$

素因数の和:177111

約数の個数: 24

約数和(自身を含む): 669112920

約数和(自身を除く): 354029780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 177013, 354026, 708052, 885065, 1770130, 3540260, 15754157, 31508314, 63016628, 78770785, 157541570, 315083140]

約数ペア:

[(1, 315083140), (2, 157541570), (4, 78770785), (5, 63016628), (10, 31508314), (20, 15754157), (89, 3540260), (178, 1770130), (356, 885065), (445, 708052), (890, 354026), (1780, 177013)]