7404220

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1549}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 15624000

約数和(自身を除く): 8219780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 1549, 2390, 3098, 4780, 6196, 7745, 15490, 30980, 370211, 740422, 1480844, 1851055, 3702110, 7404220]

約数ペア:

[(1, 7404220), (2, 3702110), (4, 1851055), (5, 1480844), (10, 740422), (20, 370211), (239, 30980), (478, 15490), (956, 7745), (1195, 6196), (1549, 4780), (2390, 3098)]