136537640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 319680000

約数和(自身を除く): 183142360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 739, 745, 1192, 1240, 1478, 1490, 2956, 2980, 3695, 4619, 5912, 5960, 7390, 9238, 14780, 18476, 22909, 23095, 29560, 36952, 45818, 46190, 91636, 92380, 110111, 114545, 183272, 184760, 220222, 229090, 440444, 458180, 550555, 880888, 916360, 1101110, 2202220, 3413441, 4404440, 6826882, 13653764, 17067205, 27307528, 34134410, 68268820, 136537640]

約数ペア:

[(1, 136537640), (2, 68268820), (4, 34134410), (5, 27307528), (8, 17067205), (10, 13653764), (20, 6826882), (31, 4404440), (40, 3413441), (62, 2202220), (124, 1101110), (149, 916360), (155, 880888), (248, 550555), (298, 458180), (310, 440444), (596, 229090), (620, 220222), (739, 184760), (745, 183272), (1192, 114545), (1240, 110111), (1478, 92380), (1490, 91636), (2956, 46190), (2980, 45818), (3695, 36952), (4619, 29560), (5912, 23095), (5960, 22909), (7390, 18476), (9238, 14780)]