157698940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1126421}}^1$

素因数の和:1126437

約数の個数: 24

約数和(自身を含む): 378477792

約数和(自身を除く): 220778852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1126421, 2252842, 4505684, 5632105, 7884947, 11264210, 15769894, 22528420, 31539788, 39424735, 78849470, 157698940]

約数ペア:

[(1, 157698940), (2, 78849470), (4, 39424735), (5, 31539788), (7, 22528420), (10, 15769894), (14, 11264210), (20, 7884947), (28, 5632105), (35, 4505684), (70, 2252842), (140, 1126421)]