138355600

素因数分解:

$2^4\times 5^2\times {\mathrm{345889}}^1$

素因数の和:345907

約数の個数: 30

約数和(自身を含む): 332400290

約数和(自身を除く): 194044690

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 345889, 691778, 1383556, 1729445, 2767112, 3458890, 5534224, 6917780, 8647225, 13835560, 17294450, 27671120, 34588900, 69177800, 138355600]

約数ペア:

[(1, 138355600), (2, 69177800), (4, 34588900), (5, 27671120), (8, 17294450), (10, 13835560), (16, 8647225), (20, 6917780), (25, 5534224), (40, 3458890), (50, 2767112), (80, 1729445), (100, 1383556), (200, 691778), (400, 345889)]