127537960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{289859}}^1$

素因数の和:289881

約数の個数: 32

約数和(自身を含む): 313048800

約数和(自身を除く): 185510840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 289859, 579718, 1159436, 1449295, 2318872, 2898590, 3188449, 5797180, 6376898, 11594360, 12753796, 15942245, 25507592, 31884490, 63768980, 127537960]

約数ペア:

[(1, 127537960), (2, 63768980), (4, 31884490), (5, 25507592), (8, 15942245), (10, 12753796), (11, 11594360), (20, 6376898), (22, 5797180), (40, 3188449), (44, 2898590), (55, 2318872), (88, 1449295), (110, 1159436), (220, 579718), (440, 289859)]