401075420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{177467}}^1$

素因数の和:177589

約数の個数: 24

約数和(自身を含む): 849716784

約数和(自身を除く): 448641364

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 177467, 354934, 709868, 887335, 1774670, 3549340, 20053771, 40107542, 80215084, 100268855, 200537710, 401075420]

約数ペア:

[(1, 401075420), (2, 200537710), (4, 100268855), (5, 80215084), (10, 40107542), (20, 20053771), (113, 3549340), (226, 1774670), (452, 887335), (565, 709868), (1130, 354934), (2260, 177467)]