149035820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181751}}^1$

素因数の和:181801

約数の個数: 24

約数和(自身を含む): 320610528

約数和(自身を除く): 171574708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 181751, 363502, 727004, 908755, 1817510, 3635020, 7451791, 14903582, 29807164, 37258955, 74517910, 149035820]

約数ペア:

[(1, 149035820), (2, 74517910), (4, 37258955), (5, 29807164), (10, 14903582), (20, 7451791), (41, 3635020), (82, 1817510), (164, 908755), (205, 727004), (410, 363502), (820, 181751)]