220187735

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 279172608

約数和(自身を除く): 58984873

約数列:

[1, 5, 43, 61, 103, 163, 215, 305, 515, 815, 2623, 4429, 6283, 7009, 9943, 13115, 16789, 22145, 31415, 35045, 49715, 83945, 270169, 427549, 721927, 1024129, 1350845, 2137745, 3609635, 5120645, 44037547, 220187735]

約数ペア:

[(1, 220187735), (5, 44037547), (43, 5120645), (61, 3609635), (103, 2137745), (163, 1350845), (215, 1024129), (305, 721927), (515, 427549), (815, 270169), (2623, 83945), (4429, 49715), (6283, 35045), (7009, 31415), (9943, 22145), (13115, 16789)]