201068780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9049}}^1$

素因数の和:9170

約数の個数: 48

約数和(自身を含む): 465242400

約数和(自身を除く): 264173620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 9049, 11110, 18098, 22220, 36196, 45245, 90490, 99539, 180980, 199078, 398156, 497695, 913949, 995390, 1827898, 1990780, 3655796, 4569745, 9139490, 10053439, 18278980, 20106878, 40213756, 50267195, 100534390, 201068780]

約数ペア:

[(1, 201068780), (2, 100534390), (4, 50267195), (5, 40213756), (10, 20106878), (11, 18278980), (20, 10053439), (22, 9139490), (44, 4569745), (55, 3655796), (101, 1990780), (110, 1827898), (202, 995390), (220, 913949), (404, 497695), (505, 398156), (1010, 199078), (1111, 180980), (2020, 99539), (2222, 90490), (4444, 45245), (5555, 36196), (9049, 22220), (11110, 18098)]