157398140

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{4721}}^1$

素因数の和:6397

約数の個数: 24

約数和(自身を含む): 330804432

約数和(自身を除く): 173406292

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 4721, 6668, 8335, 9442, 16670, 18884, 23605, 33340, 47210, 94420, 7869907, 15739814, 31479628, 39349535, 78699070, 157398140]

約数ペア:

[(1, 157398140), (2, 78699070), (4, 39349535), (5, 31479628), (10, 15739814), (20, 7869907), (1667, 94420), (3334, 47210), (4721, 33340), (6668, 23605), (8335, 18884), (9442, 16670)]