871286680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{7307}}^1$

素因数の和:7600

約数の個数: 64

約数和(自身を含む): 2146798080

約数和(自身を除く): 1275511400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 440, 542, 1084, 1355, 2168, 2710, 2981, 5420, 5962, 7307, 10840, 11924, 14614, 14905, 23848, 29228, 29810, 36535, 58456, 59620, 73070, 80377, 119240, 146140, 160754, 292280, 321508, 401885, 643016, 803770, 1607540, 1980197, 3215080, 3960394, 7920788, 9900985, 15841576, 19801970, 21782167, 39603940, 43564334, 79207880, 87128668, 108910835, 174257336, 217821670, 435643340, 871286680]

約数ペア:

[(1, 871286680), (2, 435643340), (4, 217821670), (5, 174257336), (8, 108910835), (10, 87128668), (11, 79207880), (20, 43564334), (22, 39603940), (40, 21782167), (44, 19801970), (55, 15841576), (88, 9900985), (110, 7920788), (220, 3960394), (271, 3215080), (440, 1980197), (542, 1607540), (1084, 803770), (1355, 643016), (2168, 401885), (2710, 321508), (2981, 292280), (5420, 160754), (5962, 146140), (7307, 119240), (10840, 80377), (11924, 73070), (14614, 59620), (14905, 58456), (23848, 36535), (29228, 29810)]