1900754980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{725479}}^1$

素因数の和:725619

約数の個数: 24

約数和(自身を含む): 4022061120

約数和(自身を除く): 2121306140

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 725479, 1450958, 2901916, 3627395, 7254790, 14509580, 95037749, 190075498, 380150996, 475188745, 950377490, 1900754980]

約数ペア:

[(1, 1900754980), (2, 950377490), (4, 475188745), (5, 380150996), (10, 190075498), (20, 95037749), (131, 14509580), (262, 7254790), (524, 3627395), (655, 2901916), (1310, 1450958), (2620, 725479)]