90131140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1523}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 207385920

約数和(自身を除く): 117254780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 538, 1076, 1345, 1523, 2690, 2959, 3046, 5380, 5918, 6092, 7615, 11836, 14795, 15230, 16753, 29590, 30460, 33506, 59180, 67012, 83765, 167530, 335060, 409687, 819374, 1638748, 2048435, 4096870, 4506557, 8193740, 9013114, 18026228, 22532785, 45065570, 90131140]

約数ペア:

[(1, 90131140), (2, 45065570), (4, 22532785), (5, 18026228), (10, 9013114), (11, 8193740), (20, 4506557), (22, 4096870), (44, 2048435), (55, 1638748), (110, 819374), (220, 409687), (269, 335060), (538, 167530), (1076, 83765), (1345, 67012), (1523, 59180), (2690, 33506), (2959, 30460), (3046, 29590), (5380, 16753), (5918, 15230), (6092, 14795), (7615, 11836)]