157457860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1124699}}^1$

素因数の和:1124715

約数の個数: 24

約数和(自身を含む): 377899200

約数和(自身を除く): 220441340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1124699, 2249398, 4498796, 5623495, 7872893, 11246990, 15745786, 22493980, 31491572, 39364465, 78728930, 157457860]

約数ペア:

[(1, 157457860), (2, 78728930), (4, 39364465), (5, 31491572), (7, 22493980), (10, 15745786), (14, 11246990), (20, 7872893), (28, 5623495), (35, 4498796), (70, 2249398), (140, 1124699)]