31475180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1811}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 73059840

約数和(自身を除く): 41584660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 1811, 3476, 3622, 4345, 7244, 8690, 9055, 17380, 18110, 19921, 36220, 39842, 79684, 99605, 143069, 199210, 286138, 398420, 572276, 715345, 1430690, 1573759, 2861380, 3147518, 6295036, 7868795, 15737590, 31475180]

約数ペア:

[(1, 31475180), (2, 15737590), (4, 7868795), (5, 6295036), (10, 3147518), (11, 2861380), (20, 1573759), (22, 1430690), (44, 715345), (55, 572276), (79, 398420), (110, 286138), (158, 199210), (220, 143069), (316, 99605), (395, 79684), (790, 39842), (869, 36220), (1580, 19921), (1738, 18110), (1811, 17380), (3476, 9055), (3622, 8690), (4345, 7244)]