51843880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 139968000

約数和(自身を除く): 88124120

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 29, 34, 40, 44, 55, 58, 68, 85, 88, 110, 116, 136, 145, 170, 187, 220, 232, 239, 290, 319, 340, 374, 440, 478, 493, 580, 638, 680, 748, 935, 956, 986, 1160, 1195, 1276, 1496, 1595, 1870, 1912, 1972, 2390, 2465, 2552, 2629, 3190, 3740, 3944, 4063, 4780, 4930, 5258, 5423, 6380, 6931, 7480, 8126, 9560, 9860, 10516, 10846, 12760, 13145, 13862, 16252, 19720, 20315, 21032, 21692, 26290, 27115, 27724, 32504, 34655, 40630, 43384, 44693, 52580, 54230, 55448, 69310, 76241, 81260, 89386, 105160, 108460, 117827, 138620, 152482, 162520, 178772, 216920, 223465, 235654, 277240, 304964, 357544, 381205, 446930, 471308, 589135, 609928, 762410, 893860, 942616, 1178270, 1296097, 1524820, 1787720, 2356540, 2592194, 3049640, 4713080, 5184388, 6480485, 10368776, 12960970, 25921940, 51843880]

約数ペア:

[(1, 51843880), (2, 25921940), (4, 12960970), (5, 10368776), (8, 6480485), (10, 5184388), (11, 4713080), (17, 3049640), (20, 2592194), (22, 2356540), (29, 1787720), (34, 1524820), (40, 1296097), (44, 1178270), (55, 942616), (58, 893860), (68, 762410), (85, 609928), (88, 589135), (110, 471308), (116, 446930), (136, 381205), (145, 357544), (170, 304964), (187, 277240), (220, 235654), (232, 223465), (239, 216920), (290, 178772), (319, 162520), (340, 152482), (374, 138620), (440, 117827), (478, 108460), (493, 105160), (580, 89386), (638, 81260), (680, 76241), (748, 69310), (935, 55448), (956, 54230), (986, 52580), (1160, 44693), (1195, 43384), (1276, 40630), (1496, 34655), (1595, 32504), (1870, 27724), (1912, 27115), (1972, 26290), (2390, 21692), (2465, 21032), (2552, 20315), (2629, 19720), (3190, 16252), (3740, 13862), (3944, 13145), (4063, 12760), (4780, 10846), (4930, 10516), (5258, 9860), (5423, 9560), (6380, 8126), (6931, 7480)]