2783756980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1\times {\mathrm{2221}}^1$

素因数の和:4420

約数の個数: 48

約数和(自身を含む): 6052994640

約数和(自身を除く): 3269237660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2161, 2221, 4322, 4442, 8644, 8884, 10805, 11105, 21610, 22210, 43220, 44420, 62669, 64409, 125338, 128818, 250676, 257636, 313345, 322045, 626690, 644090, 1253380, 1288180, 4799581, 9599162, 19198324, 23997905, 47995810, 95991620, 139187849, 278375698, 556751396, 695939245, 1391878490, 2783756980]

約数ペア:

[(1, 2783756980), (2, 1391878490), (4, 695939245), (5, 556751396), (10, 278375698), (20, 139187849), (29, 95991620), (58, 47995810), (116, 23997905), (145, 19198324), (290, 9599162), (580, 4799581), (2161, 1288180), (2221, 1253380), (4322, 644090), (4442, 626690), (8644, 322045), (8884, 313345), (10805, 257636), (11105, 250676), (21610, 128818), (22210, 125338), (43220, 64409), (44420, 62669)]