81764210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^2$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 164280960

約数和(自身を除く): 82516750

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 97, 110, 158, 194, 395, 485, 790, 869, 970, 1067, 1738, 2134, 4345, 5335, 7663, 8690, 9409, 10670, 15326, 18818, 38315, 47045, 76630, 84293, 94090, 103499, 168586, 206998, 421465, 517495, 743311, 842930, 1034990, 1486622, 3716555, 7433110, 8176421, 16352842, 40882105, 81764210]

約数ペア:

[(1, 81764210), (2, 40882105), (5, 16352842), (10, 8176421), (11, 7433110), (22, 3716555), (55, 1486622), (79, 1034990), (97, 842930), (110, 743311), (158, 517495), (194, 421465), (395, 206998), (485, 168586), (790, 103499), (869, 94090), (970, 84293), (1067, 76630), (1738, 47045), (2134, 38315), (4345, 18818), (5335, 15326), (7663, 10670), (8690, 9409)]