290969140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{188941}}^1$

素因数の和:188968

約数の個数: 48

約数和(自身を含む): 761814144

約数和(自身を除く): 470845004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 188941, 377882, 755764, 944705, 1322587, 1889410, 2078351, 2645174, 3778820, 4156702, 5290348, 6612935, 8313404, 10391755, 13225870, 14548457, 20783510, 26451740, 29096914, 41567020, 58193828, 72742285, 145484570, 290969140]

約数ペア:

[(1, 290969140), (2, 145484570), (4, 72742285), (5, 58193828), (7, 41567020), (10, 29096914), (11, 26451740), (14, 20783510), (20, 14548457), (22, 13225870), (28, 10391755), (35, 8313404), (44, 6612935), (55, 5290348), (70, 4156702), (77, 3778820), (110, 2645174), (140, 2078351), (154, 1889410), (220, 1322587), (308, 944705), (385, 755764), (770, 377882), (1540, 188941)]