388450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:486

約数の個数: 24

約数和(自身を含む): 766692

約数和(自身を除く): 378242

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 457, 850, 914, 2285, 4570, 7769, 11425, 15538, 22850, 38845, 77690, 194225, 388450]

約数ペア:

[(1, 388450), (2, 194225), (5, 77690), (10, 38845), (17, 22850), (25, 15538), (34, 11425), (50, 7769), (85, 4570), (170, 2285), (425, 914), (457, 850)]