204876760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9907}}^1$

素因数の和:9976

約数の個数: 64

約数和(自身を含む): 513630720

約数和(自身を除く): 308753960

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, 9907, 10340, 19814, 20680, 39628, 49535, 79256, 99070, 108977, 198140, 217954, 396280, 435908, 465629, 544885, 871816, 931258, 1089770, 1862516, 2179540, 2328145, 3725032, 4359080, 4656290, 5121919, 9312580, 10243838, 18625160, 20487676, 25609595, 40975352, 51219190, 102438380, 204876760]

約数ペア:

[(1, 204876760), (2, 102438380), (4, 51219190), (5, 40975352), (8, 25609595), (10, 20487676), (11, 18625160), (20, 10243838), (22, 9312580), (40, 5121919), (44, 4656290), (47, 4359080), (55, 3725032), (88, 2328145), (94, 2179540), (110, 1862516), (188, 1089770), (220, 931258), (235, 871816), (376, 544885), (440, 465629), (470, 435908), (517, 396280), (940, 217954), (1034, 198140), (1880, 108977), (2068, 99070), (2585, 79256), (4136, 49535), (5170, 39628), (9907, 20680), (10340, 19814)]