898420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 1953000

約数和(自身を除く): 1054580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1549, 3098, 6196, 7745, 15490, 30980, 44921, 89842, 179684, 224605, 449210, 898420]

約数ペア:

[(1, 898420), (2, 449210), (4, 224605), (5, 179684), (10, 89842), (20, 44921), (29, 30980), (58, 15490), (116, 7745), (145, 6196), (290, 3098), (580, 1549)]