630220540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{122611}}^1$

素因数の和:122877

約数の個数: 24

約数和(自身を含む): 1328623632

約数和(自身を除く): 698403092

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 122611, 245222, 490444, 613055, 1226110, 2452220, 31511027, 63022054, 126044108, 157555135, 315110270, 630220540]

約数ペア:

[(1, 630220540), (2, 315110270), (4, 157555135), (5, 126044108), (10, 63022054), (20, 31511027), (257, 2452220), (514, 1226110), (1028, 613055), (1285, 490444), (2570, 245222), (5140, 122611)]