400631688

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{129403}}^1$

素因数の和:129458

約数の個数: 48

約数和(自身を含む): 1110286320

約数和(自身を除く): 709654632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 129403, 258806, 388209, 517612, 776418, 1035224, 1164627, 1552836, 2329254, 3105672, 4658508, 5564329, 9317016, 11128658, 16692987, 22257316, 33385974, 44514632, 50078961, 66771948, 100157922, 133543896, 200315844, 400631688]

約数ペア:

[(1, 400631688), (2, 200315844), (3, 133543896), (4, 100157922), (6, 66771948), (8, 50078961), (9, 44514632), (12, 33385974), (18, 22257316), (24, 16692987), (36, 11128658), (43, 9317016), (72, 5564329), (86, 4658508), (129, 3105672), (172, 2329254), (258, 1552836), (344, 1164627), (387, 1035224), (516, 776418), (774, 517612), (1032, 388209), (1548, 258806), (3096, 129403)]