28540930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 32111870

約数列:

[1, 2, 5, 10, 11, 22, 23, 29, 46, 55, 58, 110, 115, 145, 230, 253, 290, 319, 389, 506, 638, 667, 778, 1265, 1334, 1595, 1945, 2530, 3190, 3335, 3890, 4279, 6670, 7337, 8558, 8947, 11281, 14674, 17894, 21395, 22562, 36685, 42790, 44735, 56405, 73370, 89470, 98417, 112810, 124091, 196834, 248182, 259463, 492085, 518926, 620455, 984170, 1240910, 1297315, 2594630, 2854093, 5708186, 14270465, 28540930]

約数ペア:

[(1, 28540930), (2, 14270465), (5, 5708186), (10, 2854093), (11, 2594630), (22, 1297315), (23, 1240910), (29, 984170), (46, 620455), (55, 518926), (58, 492085), (110, 259463), (115, 248182), (145, 196834), (230, 124091), (253, 112810), (290, 98417), (319, 89470), (389, 73370), (506, 56405), (638, 44735), (667, 42790), (778, 36685), (1265, 22562), (1334, 21395), (1595, 17894), (1945, 14674), (2530, 11281), (3190, 8947), (3335, 8558), (3890, 7337), (4279, 6670)]