20180230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9941}}^1$

素因数の和:9984

約数の個数: 32

約数和(自身を含む): 42949440

約数和(自身を除く): 22769210

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9941, 19882, 49705, 69587, 99410, 139174, 288289, 347935, 576578, 695870, 1441445, 2018023, 2882890, 4036046, 10090115, 20180230]

約数ペア:

[(1, 20180230), (2, 10090115), (5, 4036046), (7, 2882890), (10, 2018023), (14, 1441445), (29, 695870), (35, 576578), (58, 347935), (70, 288289), (145, 139174), (203, 99410), (290, 69587), (406, 49705), (1015, 19882), (2030, 9941)]