249799760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1453}}^1$

素因数の和:1780

約数の個数: 80

約数和(自身を含む): 666374016

約数和(自身を除く): 416574256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 1228, 1453, 1535, 2149, 2456, 2906, 3070, 4298, 4912, 5812, 6140, 7265, 8596, 10171, 10745, 11624, 12280, 14530, 17192, 20342, 21490, 23248, 24560, 29060, 34384, 40684, 42980, 50855, 58120, 81368, 85960, 101710, 116240, 162736, 171920, 203420, 406840, 446071, 813680, 892142, 1784284, 2230355, 3122497, 3568568, 4460710, 6244994, 7137136, 8921420, 12489988, 15612485, 17842840, 24979976, 31224970, 35685680, 49959952, 62449940, 124899880, 249799760]

約数ペア:

[(1, 249799760), (2, 124899880), (4, 62449940), (5, 49959952), (7, 35685680), (8, 31224970), (10, 24979976), (14, 17842840), (16, 15612485), (20, 12489988), (28, 8921420), (35, 7137136), (40, 6244994), (56, 4460710), (70, 3568568), (80, 3122497), (112, 2230355), (140, 1784284), (280, 892142), (307, 813680), (560, 446071), (614, 406840), (1228, 203420), (1453, 171920), (1535, 162736), (2149, 116240), (2456, 101710), (2906, 85960), (3070, 81368), (4298, 58120), (4912, 50855), (5812, 42980), (6140, 40684), (7265, 34384), (8596, 29060), (10171, 24560), (10745, 23248), (11624, 21490), (12280, 20342), (14530, 17192)]