801790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 1625184

約数和(自身を除く): 823394

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 197, 370, 394, 407, 814, 985, 1970, 2035, 2167, 4070, 4334, 7289, 10835, 14578, 21670, 36445, 72890, 80179, 160358, 400895, 801790]

約数ペア:

[(1, 801790), (2, 400895), (5, 160358), (10, 80179), (11, 72890), (22, 36445), (37, 21670), (55, 14578), (74, 10835), (110, 7289), (185, 4334), (197, 4070), (370, 2167), (394, 2035), (407, 1970), (814, 985)]