396102620

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{144563}}^1$

素因数の和:144709

約数の個数: 24

約数和(自身を含む): 837892944

約数和(自身を除く): 441790324

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 144563, 289126, 578252, 722815, 1445630, 2891260, 19805131, 39610262, 79220524, 99025655, 198051310, 396102620]

約数ペア:

[(1, 396102620), (2, 198051310), (4, 99025655), (5, 79220524), (10, 39610262), (20, 19805131), (137, 2891260), (274, 1445630), (548, 722815), (685, 578252), (1370, 289126), (2740, 144563)]