381569140

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{45317}}^1$

素因数の和:45747

約数の個数: 24

約数和(自身を含む): 803216232

約数和(自身を除く): 421647092

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 45317, 90634, 181268, 226585, 453170, 906340, 19078457, 38156914, 76313828, 95392285, 190784570, 381569140]

約数ペア:

[(1, 381569140), (2, 190784570), (4, 95392285), (5, 76313828), (10, 38156914), (20, 19078457), (421, 906340), (842, 453170), (1684, 226585), (2105, 181268), (4210, 90634), (8420, 45317)]