915804980

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1\times {\mathrm{677}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 1940924160

約数和(自身を除く): 1025119180

約数列:

[1, 2, 4, 5, 10, 20, 239, 283, 478, 566, 677, 956, 1132, 1195, 1354, 1415, 2390, 2708, 2830, 3385, 4780, 5660, 6770, 13540, 67637, 135274, 161803, 191591, 270548, 323606, 338185, 383182, 647212, 676370, 766364, 809015, 957955, 1352740, 1618030, 1915910, 3236060, 3831820, 45790249, 91580498, 183160996, 228951245, 457902490, 915804980]

約数ペア:

[(1, 915804980), (2, 457902490), (4, 228951245), (5, 183160996), (10, 91580498), (20, 45790249), (239, 3831820), (283, 3236060), (478, 1915910), (566, 1618030), (677, 1352740), (956, 957955), (1132, 809015), (1195, 766364), (1354, 676370), (1415, 647212), (2390, 383182), (2708, 338185), (2830, 323606), (3385, 270548), (4780, 191591), (5660, 161803), (6770, 135274), (13540, 67637)]