220131380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1572367}}^1$

素因数の和:1572383

約数の個数: 24

約数和(自身を含む): 528315648

約数和(自身を除く): 308184268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1572367, 3144734, 6289468, 7861835, 11006569, 15723670, 22013138, 31447340, 44026276, 55032845, 110065690, 220131380]

約数ペア:

[(1, 220131380), (2, 110065690), (4, 55032845), (5, 44026276), (7, 31447340), (10, 22013138), (14, 15723670), (20, 11006569), (28, 7861835), (35, 6289468), (70, 3144734), (140, 1572367)]