249413360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1733}}^1$

素因数の和:2010

約数の個数: 80

約数和(自身を含む): 665689536

約数和(自身を除く): 416276176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 1028, 1285, 1733, 1799, 2056, 2570, 3466, 3598, 4112, 5140, 6932, 7196, 8665, 8995, 10280, 12131, 13864, 14392, 17330, 17990, 20560, 24262, 27728, 28784, 34660, 35980, 48524, 60655, 69320, 71960, 97048, 121310, 138640, 143920, 194096, 242620, 445381, 485240, 890762, 970480, 1781524, 2226905, 3117667, 3563048, 4453810, 6235334, 7126096, 8907620, 12470668, 15588335, 17815240, 24941336, 31176670, 35630480, 49882672, 62353340, 124706680, 249413360]

約数ペア:

[(1, 249413360), (2, 124706680), (4, 62353340), (5, 49882672), (7, 35630480), (8, 31176670), (10, 24941336), (14, 17815240), (16, 15588335), (20, 12470668), (28, 8907620), (35, 7126096), (40, 6235334), (56, 4453810), (70, 3563048), (80, 3117667), (112, 2226905), (140, 1781524), (257, 970480), (280, 890762), (514, 485240), (560, 445381), (1028, 242620), (1285, 194096), (1733, 143920), (1799, 138640), (2056, 121310), (2570, 97048), (3466, 71960), (3598, 69320), (4112, 60655), (5140, 48524), (6932, 35980), (7196, 34660), (8665, 28784), (8995, 27728), (10280, 24262), (12131, 20560), (13864, 17990), (14392, 17330)]