220171690

素因数分解:

$2^1\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{8699}}^1$

素因数の和:11237

約数の個数: 16

約数和(自身を含む): 396511200

約数和(自身を除く): 176339510

約数列:

[1, 2, 5, 10, 2531, 5062, 8699, 12655, 17398, 25310, 43495, 86990, 22017169, 44034338, 110085845, 220171690]

約数ペア:

[(1, 220171690), (2, 110085845), (5, 44034338), (10, 22017169), (2531, 86990), (5062, 43495), (8699, 25310), (12655, 17398)]