3893780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1609}}^1$

素因数の和:1640

約数の個数: 36

約数和(自身を含む): 8993460

約数和(自身を除く): 5099680

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1609, 2420, 3218, 6436, 8045, 16090, 17699, 32180, 35398, 70796, 88495, 176990, 194689, 353980, 389378, 778756, 973445, 1946890, 3893780]

約数ペア:

[(1, 3893780), (2, 1946890), (4, 973445), (5, 778756), (10, 389378), (11, 353980), (20, 194689), (22, 176990), (44, 88495), (55, 70796), (110, 35398), (121, 32180), (220, 17699), (242, 16090), (484, 8045), (605, 6436), (1210, 3218), (1609, 2420)]