206897680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{235111}}^1$

素因数の和:235135

約数の個数: 40

約数和(自身を含む): 524769984

約数和(自身を除く): 317872304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 235111, 470222, 940444, 1175555, 1880888, 2351110, 2586221, 3761776, 4702220, 5172442, 9404440, 10344884, 12931105, 18808880, 20689768, 25862210, 41379536, 51724420, 103448840, 206897680]

約数ペア:

[(1, 206897680), (2, 103448840), (4, 51724420), (5, 41379536), (8, 25862210), (10, 20689768), (11, 18808880), (16, 12931105), (20, 10344884), (22, 9404440), (40, 5172442), (44, 4702220), (55, 3761776), (80, 2586221), (88, 2351110), (110, 1880888), (176, 1175555), (220, 940444), (440, 470222), (880, 235111)]