3887620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 9144576

約数和(自身を除く): 5256956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 431, 451, 820, 862, 902, 1724, 1804, 2155, 2255, 4310, 4510, 4741, 8620, 9020, 9482, 17671, 18964, 23705, 35342, 47410, 70684, 88355, 94820, 176710, 194381, 353420, 388762, 777524, 971905, 1943810, 3887620]

約数ペア:

[(1, 3887620), (2, 1943810), (4, 971905), (5, 777524), (10, 388762), (11, 353420), (20, 194381), (22, 176710), (41, 94820), (44, 88355), (55, 70684), (82, 47410), (110, 35342), (164, 23705), (205, 18964), (220, 17671), (410, 9482), (431, 9020), (451, 8620), (820, 4741), (862, 4510), (902, 4310), (1724, 2255), (1804, 2155)]