390200

素因数分解:

$2^3\times 5^2\times {\mathrm{1951}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 907680

約数和(自身を除く): 517480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1951, 3902, 7804, 9755, 15608, 19510, 39020, 48775, 78040, 97550, 195100, 390200]

約数ペア:

[(1, 390200), (2, 195100), (4, 97550), (5, 78040), (8, 48775), (10, 39020), (20, 19510), (25, 15608), (40, 9755), (50, 7804), (100, 3902), (200, 1951)]