612590980

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{37861}}^1$

素因数の和:38679

約数の個数: 24

約数和(自身を含む): 1288065240

約数和(自身を除く): 675474260

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 37861, 75722, 151444, 189305, 378610, 757220, 30629549, 61259098, 122518196, 153147745, 306295490, 612590980]

約数ペア:

[(1, 612590980), (2, 306295490), (4, 153147745), (5, 122518196), (10, 61259098), (20, 30629549), (809, 757220), (1618, 378610), (3236, 189305), (4045, 151444), (8090, 75722), (16180, 37861)]