255575980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{5897}}^1$

素因数の和:6114

約数の個数: 48

約数和(自身を含む): 588573216

約数和(自身を除く): 332997236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3940, 4334, 5897, 8668, 10835, 11794, 21670, 23588, 29485, 43340, 58970, 64867, 117940, 129734, 259468, 324335, 648670, 1161709, 1297340, 2323418, 4646836, 5808545, 11617090, 12778799, 23234180, 25557598, 51115196, 63893995, 127787990, 255575980]

約数ペア:

[(1, 255575980), (2, 127787990), (4, 63893995), (5, 51115196), (10, 25557598), (11, 23234180), (20, 12778799), (22, 11617090), (44, 5808545), (55, 4646836), (110, 2323418), (197, 1297340), (220, 1161709), (394, 648670), (788, 324335), (985, 259468), (1970, 129734), (2167, 117940), (3940, 64867), (4334, 58970), (5897, 43340), (8668, 29485), (10835, 23588), (11794, 21670)]