202157560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4549}}^1$

素因数の和:4672

約数の個数: 64

約数和(自身を含む): 501228000

約数和(自身を除く): 299070440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 4040, 4444, 4549, 5555, 8888, 9098, 11110, 18196, 22220, 22745, 36392, 44440, 45490, 50039, 90980, 100078, 181960, 200156, 250195, 400312, 459449, 500390, 918898, 1000780, 1837796, 2001560, 2297245, 3675592, 4594490, 5053939, 9188980, 10107878, 18377960, 20215756, 25269695, 40431512, 50539390, 101078780, 202157560]

約数ペア:

[(1, 202157560), (2, 101078780), (4, 50539390), (5, 40431512), (8, 25269695), (10, 20215756), (11, 18377960), (20, 10107878), (22, 9188980), (40, 5053939), (44, 4594490), (55, 3675592), (88, 2297245), (101, 2001560), (110, 1837796), (202, 1000780), (220, 918898), (404, 500390), (440, 459449), (505, 400312), (808, 250195), (1010, 200156), (1111, 181960), (2020, 100078), (2222, 90980), (4040, 50039), (4444, 45490), (4549, 44440), (5555, 36392), (8888, 22745), (9098, 22220), (11110, 18196)]