154965890

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{36809}}^1$

素因数の和:37237

約数の個数: 16

約数和(自身を含む): 279608760

約数和(自身を除く): 124642870

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 36809, 73618, 184045, 368090, 15496589, 30993178, 77482945, 154965890]

約数ペア:

[(1, 154965890), (2, 77482945), (5, 30993178), (10, 15496589), (421, 368090), (842, 184045), (2105, 73618), (4210, 36809)]