138698870

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 253186560

約数和(自身を除く): 114487690

約数列:

[1, 2, 5, 10, 131, 239, 262, 443, 478, 655, 886, 1195, 1310, 2215, 2390, 4430, 31309, 58033, 62618, 105877, 116066, 156545, 211754, 290165, 313090, 529385, 580330, 1058770, 13869887, 27739774, 69349435, 138698870]

約数ペア:

[(1, 138698870), (2, 69349435), (5, 27739774), (10, 13869887), (131, 1058770), (239, 580330), (262, 529385), (443, 313090), (478, 290165), (655, 211754), (886, 156545), (1195, 116066), (1310, 105877), (2215, 62618), (2390, 58033), (4430, 31309)]