8889580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 22292928

約数和(自身を除く): 13403348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 193, 196, 235, 245, 329, 386, 470, 490, 658, 772, 940, 965, 980, 1316, 1351, 1645, 1930, 2303, 2702, 3290, 3860, 4606, 5404, 6580, 6755, 9071, 9212, 9457, 11515, 13510, 18142, 18914, 23030, 27020, 36284, 37828, 45355, 46060, 47285, 63497, 90710, 94570, 126994, 181420, 189140, 253988, 317485, 444479, 634970, 888958, 1269940, 1777916, 2222395, 4444790, 8889580]

約数ペア:

[(1, 8889580), (2, 4444790), (4, 2222395), (5, 1777916), (7, 1269940), (10, 888958), (14, 634970), (20, 444479), (28, 317485), (35, 253988), (47, 189140), (49, 181420), (70, 126994), (94, 94570), (98, 90710), (140, 63497), (188, 47285), (193, 46060), (196, 45355), (235, 37828), (245, 36284), (329, 27020), (386, 23030), (470, 18914), (490, 18142), (658, 13510), (772, 11515), (940, 9457), (965, 9212), (980, 9071), (1316, 6755), (1351, 6580), (1645, 5404), (1930, 4606), (2303, 3860), (2702, 3290)]