289269100

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{6871}}^1$

素因数の和:7306

約数の個数: 36

約数和(自身を含む): 629296528

約数和(自身を除く): 340027428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 842, 1684, 2105, 4210, 6871, 8420, 10525, 13742, 21050, 27484, 34355, 42100, 68710, 137420, 171775, 343550, 687100, 2892691, 5785382, 11570764, 14463455, 28926910, 57853820, 72317275, 144634550, 289269100]

約数ペア:

[(1, 289269100), (2, 144634550), (4, 72317275), (5, 57853820), (10, 28926910), (20, 14463455), (25, 11570764), (50, 5785382), (100, 2892691), (421, 687100), (842, 343550), (1684, 171775), (2105, 137420), (4210, 68710), (6871, 42100), (8420, 34355), (10525, 27484), (13742, 21050)]