157064780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{110609}}^1$

素因数の和:110689

約数の個数: 24

約数和(自身を含む): 334484640

約数和(自身を除く): 177419860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 110609, 221218, 442436, 553045, 1106090, 2212180, 7853239, 15706478, 31412956, 39266195, 78532390, 157064780]

約数ペア:

[(1, 157064780), (2, 78532390), (4, 39266195), (5, 31412956), (10, 15706478), (20, 7853239), (71, 2212180), (142, 1106090), (284, 553045), (355, 442436), (710, 221218), (1420, 110609)]