531975820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{8887}}^1$

素因数の和:9010

約数の個数: 48

約数和(自身を含む): 1160203968

約数和(自身を除く): 628228148

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 730, 820, 1460, 2993, 5986, 8887, 11972, 14965, 17774, 29930, 35548, 44435, 59860, 88870, 177740, 364367, 648751, 728734, 1297502, 1457468, 1821835, 2595004, 3243755, 3643670, 6487510, 7287340, 12975020, 26598791, 53197582, 106395164, 132993955, 265987910, 531975820]

約数ペア:

[(1, 531975820), (2, 265987910), (4, 132993955), (5, 106395164), (10, 53197582), (20, 26598791), (41, 12975020), (73, 7287340), (82, 6487510), (146, 3643670), (164, 3243755), (205, 2595004), (292, 1821835), (365, 1457468), (410, 1297502), (730, 728734), (820, 648751), (1460, 364367), (2993, 177740), (5986, 88870), (8887, 59860), (11972, 44435), (14965, 35548), (17774, 29930)]