141128980

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{27457}}^1$

素因数の和:27723

約数の個数: 24

約数和(自身を含む): 297534888

約数和(自身を除く): 156405908

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 27457, 54914, 109828, 137285, 274570, 549140, 7056449, 14112898, 28225796, 35282245, 70564490, 141128980]

約数ペア:

[(1, 141128980), (2, 70564490), (4, 35282245), (5, 28225796), (10, 14112898), (20, 7056449), (257, 549140), (514, 274570), (1028, 137285), (1285, 109828), (2570, 54914), (5140, 27457)]