199935560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 500585400

約数和(自身を除く): 300649840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 121, 202, 220, 242, 404, 409, 440, 484, 505, 605, 808, 818, 968, 1010, 1111, 1210, 1636, 2020, 2045, 2222, 2420, 3272, 4040, 4090, 4444, 4499, 4840, 5555, 8180, 8888, 8998, 11110, 12221, 16360, 17996, 22220, 22495, 24442, 35992, 41309, 44440, 44990, 48884, 49489, 61105, 82618, 89980, 97768, 98978, 122210, 165236, 179960, 197956, 206545, 244420, 247445, 330472, 395912, 413090, 454399, 488840, 494890, 826180, 908798, 989780, 1652360, 1817596, 1979560, 2271995, 3635192, 4543990, 4998389, 9087980, 9996778, 18175960, 19993556, 24991945, 39987112, 49983890, 99967780, 199935560]

約数ペア:

[(1, 199935560), (2, 99967780), (4, 49983890), (5, 39987112), (8, 24991945), (10, 19993556), (11, 18175960), (20, 9996778), (22, 9087980), (40, 4998389), (44, 4543990), (55, 3635192), (88, 2271995), (101, 1979560), (110, 1817596), (121, 1652360), (202, 989780), (220, 908798), (242, 826180), (404, 494890), (409, 488840), (440, 454399), (484, 413090), (505, 395912), (605, 330472), (808, 247445), (818, 244420), (968, 206545), (1010, 197956), (1111, 179960), (1210, 165236), (1636, 122210), (2020, 98978), (2045, 97768), (2222, 89980), (2420, 82618), (3272, 61105), (4040, 49489), (4090, 48884), (4444, 44990), (4499, 44440), (4840, 41309), (5555, 35992), (8180, 24442), (8888, 22495), (8998, 22220), (11110, 17996), (12221, 16360)]