211767820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31051}}^1$

素因数の和:31102

約数の個数: 48

約数和(自身を含む): 500806656

約数和(自身を除く): 289038836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 31051, 62102, 124204, 155255, 310510, 341561, 621020, 683122, 962581, 1366244, 1707805, 1925162, 3415610, 3850324, 4812905, 6831220, 9625810, 10588391, 19251620, 21176782, 42353564, 52941955, 105883910, 211767820]

約数ペア:

[(1, 211767820), (2, 105883910), (4, 52941955), (5, 42353564), (10, 21176782), (11, 19251620), (20, 10588391), (22, 9625810), (31, 6831220), (44, 4812905), (55, 3850324), (62, 3415610), (110, 1925162), (124, 1707805), (155, 1366244), (220, 962581), (310, 683122), (341, 621020), (620, 341561), (682, 310510), (1364, 155255), (1705, 124204), (3410, 62102), (6820, 31051)]