30311180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{48889}}^1$

素因数の和:48929

約数の個数: 24

約数和(自身を含む): 65708160

約数和(自身を除く): 35396980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 48889, 97778, 195556, 244445, 488890, 977780, 1515559, 3031118, 6062236, 7577795, 15155590, 30311180]

約数ペア:

[(1, 30311180), (2, 15155590), (4, 7577795), (5, 6062236), (10, 3031118), (20, 1515559), (31, 977780), (62, 488890), (124, 244445), (155, 195556), (310, 97778), (620, 48889)]