74863990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1129}}^1$

素因数の和:1504

約数の個数: 32

約数和(自身を含む): 142380000

約数和(自身を除く): 67516010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 349, 698, 1129, 1745, 2258, 3490, 5645, 6631, 11290, 13262, 21451, 33155, 42902, 66310, 107255, 214510, 394021, 788042, 1970105, 3940210, 7486399, 14972798, 37431995, 74863990]

約数ペア:

[(1, 74863990), (2, 37431995), (5, 14972798), (10, 7486399), (19, 3940210), (38, 1970105), (95, 788042), (190, 394021), (349, 214510), (698, 107255), (1129, 66310), (1745, 42902), (2258, 33155), (3490, 21451), (5645, 13262), (6631, 11290)]