99878680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5279}}^1$

素因数の和:5344

約数の個数: 64

約数和(自身を含む): 250905600

約数和(自身を除く): 151026920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 5279, 9460, 10558, 18920, 21116, 26395, 42232, 52790, 58069, 105580, 116138, 211160, 226997, 232276, 290345, 453994, 464552, 580690, 907988, 1134985, 1161380, 1815976, 2269970, 2322760, 2496967, 4539940, 4993934, 9079880, 9987868, 12484835, 19975736, 24969670, 49939340, 99878680]

約数ペア:

[(1, 99878680), (2, 49939340), (4, 24969670), (5, 19975736), (8, 12484835), (10, 9987868), (11, 9079880), (20, 4993934), (22, 4539940), (40, 2496967), (43, 2322760), (44, 2269970), (55, 1815976), (86, 1161380), (88, 1134985), (110, 907988), (172, 580690), (215, 464552), (220, 453994), (344, 290345), (430, 232276), (440, 226997), (473, 211160), (860, 116138), (946, 105580), (1720, 58069), (1892, 52790), (2365, 42232), (3784, 26395), (4730, 21116), (5279, 18920), (9460, 10558)]