204099880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 470448000

約数和(自身を除く): 266348120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 197, 236, 295, 394, 439, 472, 590, 788, 878, 985, 1180, 1576, 1756, 1970, 2195, 2360, 3512, 3940, 4390, 7880, 8780, 11623, 17560, 23246, 25901, 46492, 51802, 58115, 86483, 92984, 103604, 116230, 129505, 172966, 207208, 232460, 259010, 345932, 432415, 464920, 518020, 691864, 864830, 1036040, 1729660, 3459320, 5102497, 10204994, 20409988, 25512485, 40819976, 51024970, 102049940, 204099880]

約数ペア:

[(1, 204099880), (2, 102049940), (4, 51024970), (5, 40819976), (8, 25512485), (10, 20409988), (20, 10204994), (40, 5102497), (59, 3459320), (118, 1729660), (197, 1036040), (236, 864830), (295, 691864), (394, 518020), (439, 464920), (472, 432415), (590, 345932), (788, 259010), (878, 232460), (985, 207208), (1180, 172966), (1576, 129505), (1756, 116230), (1970, 103604), (2195, 92984), (2360, 86483), (3512, 58115), (3940, 51802), (4390, 46492), (7880, 25901), (8780, 23246), (11623, 17560)]