90628400

素因数分解:

$2^4\times 5^2\times {\mathrm{226571}}^1$

素因数の和:226589

約数の個数: 30

約数和(自身を含む): 217735692

約数和(自身を除く): 127107292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 226571, 453142, 906284, 1132855, 1812568, 2265710, 3625136, 4531420, 5664275, 9062840, 11328550, 18125680, 22657100, 45314200, 90628400]

約数ペア:

[(1, 90628400), (2, 45314200), (4, 22657100), (5, 18125680), (8, 11328550), (10, 9062840), (16, 5664275), (20, 4531420), (25, 3625136), (40, 2265710), (50, 1812568), (80, 1132855), (100, 906284), (200, 453142), (400, 226571)]