137888980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{54287}}^1$

素因数の和:54423

約数の個数: 24

約数和(自身を含む): 291852288

約数和(自身を除く): 153963308

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 54287, 108574, 217148, 271435, 542870, 1085740, 6894449, 13788898, 27577796, 34472245, 68944490, 137888980]

約数ペア:

[(1, 137888980), (2, 68944490), (4, 34472245), (5, 27577796), (10, 13788898), (20, 6894449), (127, 1085740), (254, 542870), (508, 271435), (635, 217148), (1270, 108574), (2540, 54287)]