1330757540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{256903}}^1$

素因数の和:256956

約数の個数: 48

約数和(自身を含む): 3280150272

約数和(自身を除く): 1949392732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 256903, 513806, 1027612, 1284515, 1798321, 2569030, 3596642, 5138060, 7193284, 8991605, 9505411, 17983210, 19010822, 35966420, 38021644, 47527055, 66537877, 95054110, 133075754, 190108220, 266151508, 332689385, 665378770, 1330757540]

約数ペア:

[(1, 1330757540), (2, 665378770), (4, 332689385), (5, 266151508), (7, 190108220), (10, 133075754), (14, 95054110), (20, 66537877), (28, 47527055), (35, 38021644), (37, 35966420), (70, 19010822), (74, 17983210), (140, 9505411), (148, 8991605), (185, 7193284), (259, 5138060), (370, 3596642), (518, 2569030), (740, 1798321), (1036, 1284515), (1295, 1027612), (2590, 513806), (5180, 256903)]