28997360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1050

約数の個数: 80

約数和(自身を含む): 78584256

約数和(自身を除く): 49586896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 977, 1060, 1484, 1855, 1954, 2120, 2968, 3710, 3908, 4240, 4885, 5936, 6839, 7420, 7816, 9770, 13678, 14840, 15632, 19540, 27356, 29680, 34195, 39080, 51781, 54712, 68390, 78160, 103562, 109424, 136780, 207124, 258905, 273560, 362467, 414248, 517810, 547120, 724934, 828496, 1035620, 1449868, 1812335, 2071240, 2899736, 3624670, 4142480, 5799472, 7249340, 14498680, 28997360]

約数ペア:

[(1, 28997360), (2, 14498680), (4, 7249340), (5, 5799472), (7, 4142480), (8, 3624670), (10, 2899736), (14, 2071240), (16, 1812335), (20, 1449868), (28, 1035620), (35, 828496), (40, 724934), (53, 547120), (56, 517810), (70, 414248), (80, 362467), (106, 273560), (112, 258905), (140, 207124), (212, 136780), (265, 109424), (280, 103562), (371, 78160), (424, 68390), (530, 54712), (560, 51781), (742, 39080), (848, 34195), (977, 29680), (1060, 27356), (1484, 19540), (1855, 15632), (1954, 14840), (2120, 13678), (2968, 9770), (3710, 7816), (3908, 7420), (4240, 6839), (4885, 5936)]