276670520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{988109}}^1$

素因数の和:988127

約数の個数: 32

約数和(自身を含む): 711439200

約数和(自身を除く): 434768680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 988109, 1976218, 3952436, 4940545, 6916763, 7904872, 9881090, 13833526, 19762180, 27667052, 34583815, 39524360, 55334104, 69167630, 138335260, 276670520]

約数ペア:

[(1, 276670520), (2, 138335260), (4, 69167630), (5, 55334104), (7, 39524360), (8, 34583815), (10, 27667052), (14, 19762180), (20, 13833526), (28, 9881090), (35, 7904872), (40, 6916763), (56, 4940545), (70, 3952436), (140, 1976218), (280, 988109)]