290647578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 645321600

約数和(自身を除く): 354674022

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 193, 258, 386, 449, 559, 579, 898, 1118, 1158, 1347, 1677, 2509, 2694, 3354, 5018, 5837, 7527, 8299, 11674, 15054, 16598, 17511, 19307, 24897, 35022, 38614, 49794, 57921, 86657, 107887, 115842, 173314, 215774, 250991, 259971, 323661, 501982, 519942, 647322, 752973, 1126541, 1505946, 2253082, 3379623, 3726251, 6759246, 7452502, 11178753, 22357506, 48441263, 96882526, 145323789, 290647578]

約数ペア:

[(1, 290647578), (2, 145323789), (3, 96882526), (6, 48441263), (13, 22357506), (26, 11178753), (39, 7452502), (43, 6759246), (78, 3726251), (86, 3379623), (129, 2253082), (193, 1505946), (258, 1126541), (386, 752973), (449, 647322), (559, 519942), (579, 501982), (898, 323661), (1118, 259971), (1158, 250991), (1347, 215774), (1677, 173314), (2509, 115842), (2694, 107887), (3354, 86657), (5018, 57921), (5837, 49794), (7527, 38614), (8299, 35022), (11674, 24897), (15054, 19307), (16598, 17511)]