49909040

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 120528000

約数和(自身を除く): 70618960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 79, 80, 106, 149, 158, 212, 265, 298, 316, 395, 424, 530, 596, 632, 745, 790, 848, 1060, 1192, 1264, 1490, 1580, 2120, 2384, 2980, 3160, 4187, 4240, 5960, 6320, 7897, 8374, 11771, 11920, 15794, 16748, 20935, 23542, 31588, 33496, 39485, 41870, 47084, 58855, 63176, 66992, 78970, 83740, 94168, 117710, 126352, 157940, 167480, 188336, 235420, 315880, 334960, 470840, 623863, 631760, 941680, 1247726, 2495452, 3119315, 4990904, 6238630, 9981808, 12477260, 24954520, 49909040]

約数ペア:

[(1, 49909040), (2, 24954520), (4, 12477260), (5, 9981808), (8, 6238630), (10, 4990904), (16, 3119315), (20, 2495452), (40, 1247726), (53, 941680), (79, 631760), (80, 623863), (106, 470840), (149, 334960), (158, 315880), (212, 235420), (265, 188336), (298, 167480), (316, 157940), (395, 126352), (424, 117710), (530, 94168), (596, 83740), (632, 78970), (745, 66992), (790, 63176), (848, 58855), (1060, 47084), (1192, 41870), (1264, 39485), (1490, 33496), (1580, 31588), (2120, 23542), (2384, 20935), (2980, 16748), (3160, 15794), (4187, 11920), (4240, 11771), (5960, 8374), (6320, 7897)]