78979900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{6029}}^1$

素因数の和:6174

約数の個数: 36

約数和(自身を含む): 172723320

約数和(自身を除く): 93743420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6029, 6550, 12058, 13100, 24116, 30145, 60290, 120580, 150725, 301450, 602900, 789799, 1579598, 3159196, 3948995, 7897990, 15795980, 19744975, 39489950, 78979900]

約数ペア:

[(1, 78979900), (2, 39489950), (4, 19744975), (5, 15795980), (10, 7897990), (20, 3948995), (25, 3159196), (50, 1579598), (100, 789799), (131, 602900), (262, 301450), (524, 150725), (655, 120580), (1310, 60290), (2620, 30145), (3275, 24116), (6029, 13100), (6550, 12058)]