311084920

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{27481}}^1$

素因数の和:27775

約数の個数: 32

約数和(自身を含む): 702439920

約数和(自身を除く): 391355000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 27481, 54962, 109924, 137405, 219848, 274810, 549620, 1099240, 7777123, 15554246, 31108492, 38885615, 62216984, 77771230, 155542460, 311084920]

約数ペア:

[(1, 311084920), (2, 155542460), (4, 77771230), (5, 62216984), (8, 38885615), (10, 31108492), (20, 15554246), (40, 7777123), (283, 1099240), (566, 549620), (1132, 274810), (1415, 219848), (2264, 137405), (2830, 109924), (5660, 54962), (11320, 27481)]