427202380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{9857}}^1$

素因数の和:10074

約数の個数: 48

約数和(自身を含む): 983749536

約数和(自身を除く): 556547156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3940, 4334, 8668, 9857, 10835, 19714, 21670, 39428, 43340, 49285, 98570, 108427, 197140, 216854, 433708, 542135, 1084270, 1941829, 2168540, 3883658, 7767316, 9709145, 19418290, 21360119, 38836580, 42720238, 85440476, 106800595, 213601190, 427202380]

約数ペア:

[(1, 427202380), (2, 213601190), (4, 106800595), (5, 85440476), (10, 42720238), (11, 38836580), (20, 21360119), (22, 19418290), (44, 9709145), (55, 7767316), (110, 3883658), (197, 2168540), (220, 1941829), (394, 1084270), (788, 542135), (985, 433708), (1970, 216854), (2167, 197140), (3940, 108427), (4334, 98570), (8668, 49285), (9857, 43340), (10835, 39428), (19714, 21670)]