204906680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4801}}^1$

素因数の和:4920

約数の個数: 64

約数和(自身を含む): 508243680

約数和(自身を除く): 303337000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 2134, 3880, 4268, 4801, 5335, 8536, 9602, 10670, 19204, 21340, 24005, 38408, 42680, 48010, 52811, 96020, 105622, 192040, 211244, 264055, 422488, 465697, 528110, 931394, 1056220, 1862788, 2112440, 2328485, 3725576, 4656970, 5122667, 9313940, 10245334, 18627880, 20490668, 25613335, 40981336, 51226670, 102453340, 204906680]

約数ペア:

[(1, 204906680), (2, 102453340), (4, 51226670), (5, 40981336), (8, 25613335), (10, 20490668), (11, 18627880), (20, 10245334), (22, 9313940), (40, 5122667), (44, 4656970), (55, 3725576), (88, 2328485), (97, 2112440), (110, 1862788), (194, 1056220), (220, 931394), (388, 528110), (440, 465697), (485, 422488), (776, 264055), (970, 211244), (1067, 192040), (1940, 105622), (2134, 96020), (3880, 52811), (4268, 48010), (4801, 42680), (5335, 38408), (8536, 24005), (9602, 21340), (10670, 19204)]