889509610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2113}}^1$

素因数の和:2263

約数の個数: 64

約数和(自身を含む): 1808231040

約数和(自身を除く): 918721430

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 89, 110, 178, 215, 430, 445, 473, 890, 946, 979, 1958, 2113, 2365, 3827, 4226, 4730, 4895, 7654, 9790, 10565, 19135, 21130, 23243, 38270, 42097, 46486, 84194, 90859, 116215, 181718, 188057, 210485, 232430, 376114, 420970, 454295, 908590, 940285, 999449, 1880570, 1998898, 2068627, 4137254, 4997245, 8086451, 9994490, 10343135, 16172902, 20686270, 40432255, 80864510, 88950961, 177901922, 444754805, 889509610]

約数ペア:

[(1, 889509610), (2, 444754805), (5, 177901922), (10, 88950961), (11, 80864510), (22, 40432255), (43, 20686270), (55, 16172902), (86, 10343135), (89, 9994490), (110, 8086451), (178, 4997245), (215, 4137254), (430, 2068627), (445, 1998898), (473, 1880570), (890, 999449), (946, 940285), (979, 908590), (1958, 454295), (2113, 420970), (2365, 376114), (3827, 232430), (4226, 210485), (4730, 188057), (4895, 181718), (7654, 116215), (9790, 90859), (10565, 84194), (19135, 46486), (21130, 42097), (23243, 38270)]