31263260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2087}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 75769344

約数和(自身を除く): 44506084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2087, 2140, 2996, 3745, 4174, 7490, 8348, 10435, 14609, 14980, 20870, 29218, 41740, 58436, 73045, 146090, 223309, 292180, 446618, 893236, 1116545, 1563163, 2233090, 3126326, 4466180, 6252652, 7815815, 15631630, 31263260]

約数ペア:

[(1, 31263260), (2, 15631630), (4, 7815815), (5, 6252652), (7, 4466180), (10, 3126326), (14, 2233090), (20, 1563163), (28, 1116545), (35, 893236), (70, 446618), (107, 292180), (140, 223309), (214, 146090), (428, 73045), (535, 58436), (749, 41740), (1070, 29218), (1498, 20870), (2087, 14980), (2140, 14609), (2996, 10435), (3745, 8348), (4174, 7490)]