1212632540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{27851}}^1$

素因数の和:28178

約数の個数: 48

約数和(自身を含む): 2919780864

約数和(自身を除く): 1707148324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 3110, 4354, 6220, 8708, 10885, 21770, 27851, 43540, 55702, 111404, 139255, 194957, 278510, 389914, 557020, 779828, 974785, 1949570, 3899140, 8661661, 17323322, 34646644, 43308305, 60631627, 86616610, 121263254, 173233220, 242526508, 303158135, 606316270, 1212632540]

約数ペア:

[(1, 1212632540), (2, 606316270), (4, 303158135), (5, 242526508), (7, 173233220), (10, 121263254), (14, 86616610), (20, 60631627), (28, 43308305), (35, 34646644), (70, 17323322), (140, 8661661), (311, 3899140), (622, 1949570), (1244, 974785), (1555, 779828), (2177, 557020), (3110, 389914), (4354, 278510), (6220, 194957), (8708, 139255), (10885, 111404), (21770, 55702), (27851, 43540)]