2012346820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397697}}^1$

素因数の和:397740

約数の個数: 48

約数和(自身を含む): 4810555008

約数和(自身を除く): 2798208188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 397697, 795394, 1590788, 1988485, 3976970, 4374667, 7953940, 8749334, 9147031, 17498668, 18294062, 21873335, 36588124, 43746670, 45735155, 87493340, 91470310, 100617341, 182940620, 201234682, 402469364, 503086705, 1006173410, 2012346820]

約数ペア:

[(1, 2012346820), (2, 1006173410), (4, 503086705), (5, 402469364), (10, 201234682), (11, 182940620), (20, 100617341), (22, 91470310), (23, 87493340), (44, 45735155), (46, 43746670), (55, 36588124), (92, 21873335), (110, 18294062), (115, 17498668), (220, 9147031), (230, 8749334), (253, 7953940), (460, 4374667), (506, 3976970), (1012, 1988485), (1265, 1590788), (2530, 795394), (5060, 397697)]