72230180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{827}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 166090176

約数和(自身を除く): 93859996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 827, 1588, 1654, 1985, 3308, 3970, 4135, 4367, 7940, 8270, 8734, 9097, 16540, 17468, 18194, 21835, 36388, 43670, 45485, 87340, 90970, 181940, 328319, 656638, 1313276, 1641595, 3283190, 3611509, 6566380, 7223018, 14446036, 18057545, 36115090, 72230180]

約数ペア:

[(1, 72230180), (2, 36115090), (4, 18057545), (5, 14446036), (10, 7223018), (11, 6566380), (20, 3611509), (22, 3283190), (44, 1641595), (55, 1313276), (110, 656638), (220, 328319), (397, 181940), (794, 90970), (827, 87340), (1588, 45485), (1654, 43670), (1985, 36388), (3308, 21835), (3970, 18194), (4135, 17468), (4367, 16540), (7940, 9097), (8270, 8734)]