138337360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{247031}}^1$

素因数の和:247051

約数の個数: 40

約数和(自身を含む): 367583616

約数和(自身を除く): 229246256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 247031, 494062, 988124, 1235155, 1729217, 1976248, 2470310, 3458434, 3952496, 4940620, 6916868, 8646085, 9881240, 13833736, 17292170, 19762480, 27667472, 34584340, 69168680, 138337360]

約数ペア:

[(1, 138337360), (2, 69168680), (4, 34584340), (5, 27667472), (7, 19762480), (8, 17292170), (10, 13833736), (14, 9881240), (16, 8646085), (20, 6916868), (28, 4940620), (35, 3952496), (40, 3458434), (56, 2470310), (70, 1976248), (80, 1729217), (112, 1235155), (140, 988124), (280, 494062), (560, 247031)]