4791820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 11467008

約数和(自身を除く): 6675188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 947, 1012, 1265, 1894, 2530, 3788, 4735, 5060, 9470, 10417, 18940, 20834, 21781, 41668, 43562, 52085, 87124, 104170, 108905, 208340, 217810, 239591, 435620, 479182, 958364, 1197955, 2395910, 4791820]

約数ペア:

[(1, 4791820), (2, 2395910), (4, 1197955), (5, 958364), (10, 479182), (11, 435620), (20, 239591), (22, 217810), (23, 208340), (44, 108905), (46, 104170), (55, 87124), (92, 52085), (110, 43562), (115, 41668), (220, 21781), (230, 20834), (253, 18940), (460, 10417), (506, 9470), (947, 5060), (1012, 4735), (1265, 3788), (1894, 2530)]