289503340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{7307}}^1$

素因数の和:7606

約数の個数: 48

約数和(自身を含む): 697358592

約数和(自身を除く): 407855252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2830, 3962, 5660, 7307, 7924, 9905, 14614, 19810, 29228, 36535, 39620, 51149, 73070, 102298, 146140, 204596, 255745, 511490, 1022980, 2067881, 4135762, 8271524, 10339405, 14475167, 20678810, 28950334, 41357620, 57900668, 72375835, 144751670, 289503340]

約数ペア:

[(1, 289503340), (2, 144751670), (4, 72375835), (5, 57900668), (7, 41357620), (10, 28950334), (14, 20678810), (20, 14475167), (28, 10339405), (35, 8271524), (70, 4135762), (140, 2067881), (283, 1022980), (566, 511490), (1132, 255745), (1415, 204596), (1981, 146140), (2830, 102298), (3962, 73070), (5660, 51149), (7307, 39620), (7924, 36535), (9905, 29228), (14614, 19810)]