249863984

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:466

約数の個数: 60

約数和(自身を含む): 515904480

約数和(自身を除く): 266040496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 181, 239, 304, 361, 362, 478, 722, 724, 956, 1444, 1448, 1912, 2888, 2896, 3439, 3824, 4541, 5776, 6878, 9082, 13756, 18164, 27512, 36328, 43259, 55024, 65341, 72656, 86279, 86518, 130682, 172558, 173036, 261364, 345116, 346072, 522728, 690232, 692144, 821921, 1045456, 1380464, 1643842, 3287684, 6575368, 13150736, 15616499, 31232998, 62465996, 124931992, 249863984]

約数ペア:

[(1, 249863984), (2, 124931992), (4, 62465996), (8, 31232998), (16, 15616499), (19, 13150736), (38, 6575368), (76, 3287684), (152, 1643842), (181, 1380464), (239, 1045456), (304, 821921), (361, 692144), (362, 690232), (478, 522728), (722, 346072), (724, 345116), (956, 261364), (1444, 173036), (1448, 172558), (1912, 130682), (2888, 86518), (2896, 86279), (3439, 72656), (3824, 65341), (4541, 55024), (5776, 43259), (6878, 36328), (9082, 27512), (13756, 18164)]