290442906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40039}}^1$

素因数の和:40091

約数の個数: 48

約数和(自身を含む): 699578880

約数和(自身を除く): 409135974

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 7254, 40039, 80078, 120117, 240234, 360351, 520507, 720702, 1041014, 1241209, 1561521, 2482418, 3123042, 3723627, 4684563, 7447254, 9369126, 11170881, 16135717, 22341762, 32271434, 48407151, 96814302, 145221453, 290442906]

約数ペア:

[(1, 290442906), (2, 145221453), (3, 96814302), (6, 48407151), (9, 32271434), (13, 22341762), (18, 16135717), (26, 11170881), (31, 9369126), (39, 7447254), (62, 4684563), (78, 3723627), (93, 3123042), (117, 2482418), (186, 1561521), (234, 1241209), (279, 1041014), (403, 720702), (558, 520507), (806, 360351), (1209, 240234), (2418, 120117), (3627, 80078), (7254, 40039)]