1269940

素因数分解:

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

素因数の和:256

約数の個数: 48

約数和(自身を含む): 3128832

約数和(自身を除く): 1858892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 193, 235, 329, 386, 470, 658, 772, 940, 965, 1316, 1351, 1645, 1930, 2702, 3290, 3860, 5404, 6580, 6755, 9071, 13510, 18142, 27020, 36284, 45355, 63497, 90710, 126994, 181420, 253988, 317485, 634970, 1269940]

約数ペア:

[(1, 1269940), (2, 634970), (4, 317485), (5, 253988), (7, 181420), (10, 126994), (14, 90710), (20, 63497), (28, 45355), (35, 36284), (47, 27020), (70, 18142), (94, 13510), (140, 9071), (188, 6755), (193, 6580), (235, 5404), (329, 3860), (386, 3290), (470, 2702), (658, 1930), (772, 1645), (940, 1351), (965, 1316)]