2220687620

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1\times {\mathrm{1213}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 4699054080

約数和(自身を除く): 2478366460

約数列:

[1, 2, 4, 5, 10, 20, 239, 383, 478, 766, 956, 1195, 1213, 1532, 1915, 2390, 2426, 3830, 4780, 4852, 6065, 7660, 12130, 24260, 91537, 183074, 289907, 366148, 457685, 464579, 579814, 915370, 929158, 1159628, 1449535, 1830740, 1858316, 2322895, 2899070, 4645790, 5798140, 9291580, 111034381, 222068762, 444137524, 555171905, 1110343810, 2220687620]

約数ペア:

[(1, 2220687620), (2, 1110343810), (4, 555171905), (5, 444137524), (10, 222068762), (20, 111034381), (239, 9291580), (383, 5798140), (478, 4645790), (766, 2899070), (956, 2322895), (1195, 1858316), (1213, 1830740), (1532, 1449535), (1915, 1159628), (2390, 929158), (2426, 915370), (3830, 579814), (4780, 464579), (4852, 457685), (6065, 366148), (7660, 289907), (12130, 183074), (24260, 91537)]