720366908620

素因数分解:

$2^2\times 5^1\times {\mathrm{28571}}^1\times {\mathrm{1260661}}^1$

素因数の和:1289241

約数の個数: 24

約数和(自身を含む): 1512824655888

約数和(自身を除く): 792457747268

約数列:

[1, 2, 4, 5, 10, 20, 28571, 57142, 114284, 142855, 285710, 571420, 1260661, 2521322, 5042644, 6303305, 12606610, 25213220, 36018345431, 72036690862, 144073381724, 180091727155, 360183454310, 720366908620]

約数ペア:

[(1, 720366908620), (2, 360183454310), (4, 180091727155), (5, 144073381724), (10, 72036690862), (20, 36018345431), (28571, 25213220), (57142, 12606610), (114284, 6303305), (142855, 5042644), (285710, 2521322), (571420, 1260661)]