7221220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2843}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 15289344

約数和(自身を除く): 8068124

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 2843, 5686, 11372, 14215, 28430, 56860, 361061, 722122, 1444244, 1805305, 3610610, 7221220]

約数ペア:

[(1, 7221220), (2, 3610610), (4, 1805305), (5, 1444244), (10, 722122), (20, 361061), (127, 56860), (254, 28430), (508, 14215), (635, 11372), (1270, 5686), (2540, 2843)]