219625780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{1213}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 504169344

約数和(自身を除く): 284543564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 823, 1213, 1646, 2426, 3292, 4115, 4852, 6065, 8230, 9053, 12130, 13343, 16460, 18106, 24260, 26686, 36212, 45265, 53372, 66715, 90530, 133430, 181060, 266860, 998299, 1996598, 3993196, 4991495, 9982990, 10981289, 19965980, 21962578, 43925156, 54906445, 109812890, 219625780]

約数ペア:

[(1, 219625780), (2, 109812890), (4, 54906445), (5, 43925156), (10, 21962578), (11, 19965980), (20, 10981289), (22, 9982990), (44, 4991495), (55, 3993196), (110, 1996598), (220, 998299), (823, 266860), (1213, 181060), (1646, 133430), (2426, 90530), (3292, 66715), (4115, 53372), (4852, 45265), (6065, 36212), (8230, 26686), (9053, 24260), (12130, 18106), (13343, 16460)]