3869140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 9092160

約数和(自身を除く): 5223020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 409, 430, 473, 818, 860, 946, 1636, 1892, 2045, 2365, 4090, 4499, 4730, 8180, 8998, 9460, 17587, 17996, 22495, 35174, 44990, 70348, 87935, 89980, 175870, 193457, 351740, 386914, 773828, 967285, 1934570, 3869140]

約数ペア:

[(1, 3869140), (2, 1934570), (4, 967285), (5, 773828), (10, 386914), (11, 351740), (20, 193457), (22, 175870), (43, 89980), (44, 87935), (55, 70348), (86, 44990), (110, 35174), (172, 22495), (215, 17996), (220, 17587), (409, 9460), (430, 8998), (473, 8180), (818, 4730), (860, 4499), (946, 4090), (1636, 2365), (1892, 2045)]