747602680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{36151}}^1$

素因数の和:36220

約数の個数: 64

約数和(自身を含む): 1874119680

約数和(自身を除く): 1126517000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 20680, 36151, 72302, 144604, 180755, 289208, 361510, 397661, 723020, 795322, 1446040, 1590644, 1699097, 1988305, 3181288, 3398194, 3976610, 6796388, 7953220, 8495485, 13592776, 15906440, 16990970, 18690067, 33981940, 37380134, 67963880, 74760268, 93450335, 149520536, 186900670, 373801340, 747602680]

約数ペア:

[(1, 747602680), (2, 373801340), (4, 186900670), (5, 149520536), (8, 93450335), (10, 74760268), (11, 67963880), (20, 37380134), (22, 33981940), (40, 18690067), (44, 16990970), (47, 15906440), (55, 13592776), (88, 8495485), (94, 7953220), (110, 6796388), (188, 3976610), (220, 3398194), (235, 3181288), (376, 1988305), (440, 1699097), (470, 1590644), (517, 1446040), (940, 795322), (1034, 723020), (1880, 397661), (2068, 361510), (2585, 289208), (4136, 180755), (5170, 144604), (10340, 72302), (20680, 36151)]