157437980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{160651}}^1$

素因数の和:160674

約数の個数: 36

約数和(自身を含む): 384600888

約数和(自身を除く): 227162908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 160651, 321302, 642604, 803255, 1124557, 1606510, 2249114, 3213020, 4498228, 5622785, 7871899, 11245570, 15743798, 22491140, 31487596, 39359495, 78718990, 157437980]

約数ペア:

[(1, 157437980), (2, 78718990), (4, 39359495), (5, 31487596), (7, 22491140), (10, 15743798), (14, 11245570), (20, 7871899), (28, 5622785), (35, 4498228), (49, 3213020), (70, 2249114), (98, 1606510), (140, 1124557), (196, 803255), (245, 642604), (490, 321302), (980, 160651)]