2025940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 5040000

約数和(自身を除く): 3014060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 499, 580, 812, 998, 1015, 1996, 2030, 2495, 3493, 4060, 4990, 6986, 9980, 13972, 14471, 17465, 28942, 34930, 57884, 69860, 72355, 101297, 144710, 202594, 289420, 405188, 506485, 1012970, 2025940]

約数ペア:

[(1, 2025940), (2, 1012970), (4, 506485), (5, 405188), (7, 289420), (10, 202594), (14, 144710), (20, 101297), (28, 72355), (29, 69860), (35, 57884), (58, 34930), (70, 28942), (116, 17465), (140, 14471), (145, 13972), (203, 9980), (290, 6986), (406, 4990), (499, 4060), (580, 3493), (812, 2495), (998, 2030), (1015, 1996)]