201616900

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{4789}}^1$

素因数の和:5224

約数の個数: 36

約数和(自身を含む): 438639460

約数和(自身を除く): 237022560

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 842, 1684, 2105, 4210, 4789, 8420, 9578, 10525, 19156, 21050, 23945, 42100, 47890, 95780, 119725, 239450, 478900, 2016169, 4032338, 8064676, 10080845, 20161690, 40323380, 50404225, 100808450, 201616900]

約数ペア:

[(1, 201616900), (2, 100808450), (4, 50404225), (5, 40323380), (10, 20161690), (20, 10080845), (25, 8064676), (50, 4032338), (100, 2016169), (421, 478900), (842, 239450), (1684, 119725), (2105, 95780), (4210, 47890), (4789, 42100), (8420, 23945), (9578, 21050), (10525, 19156)]