2657620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 6547968

約数和(自身を除く): 3890348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 463, 574, 820, 926, 1148, 1435, 1852, 2315, 2870, 3241, 4630, 5740, 6482, 9260, 12964, 16205, 18983, 32410, 37966, 64820, 75932, 94915, 132881, 189830, 265762, 379660, 531524, 664405, 1328810, 2657620]

約数ペア:

[(1, 2657620), (2, 1328810), (4, 664405), (5, 531524), (7, 379660), (10, 265762), (14, 189830), (20, 132881), (28, 94915), (35, 75932), (41, 64820), (70, 37966), (82, 32410), (140, 18983), (164, 16205), (205, 12964), (287, 9260), (410, 6482), (463, 5740), (574, 4630), (820, 3241), (926, 2870), (1148, 2315), (1435, 1852)]