31683740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1823}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 73543680

約数和(自身を除く): 41859940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 1823, 3476, 3646, 4345, 7292, 8690, 9115, 17380, 18230, 20053, 36460, 40106, 80212, 100265, 144017, 200530, 288034, 401060, 576068, 720085, 1440170, 1584187, 2880340, 3168374, 6336748, 7920935, 15841870, 31683740]

約数ペア:

[(1, 31683740), (2, 15841870), (4, 7920935), (5, 6336748), (10, 3168374), (11, 2880340), (20, 1584187), (22, 1440170), (44, 720085), (55, 576068), (79, 401060), (110, 288034), (158, 200530), (220, 144017), (316, 100265), (395, 80212), (790, 40106), (869, 36460), (1580, 20053), (1738, 18230), (1823, 17380), (3476, 9115), (3646, 8690), (4345, 7292)]