79285580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1811}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 182649600

約数和(自身を除く): 103364020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1811, 1990, 2189, 3622, 3980, 4378, 7244, 8756, 9055, 10945, 18110, 19921, 21890, 36220, 39842, 43780, 79684, 99605, 199210, 360389, 398420, 720778, 1441556, 1801945, 3603890, 3964279, 7207780, 7928558, 15857116, 19821395, 39642790, 79285580]

約数ペア:

[(1, 79285580), (2, 39642790), (4, 19821395), (5, 15857116), (10, 7928558), (11, 7207780), (20, 3964279), (22, 3603890), (44, 1801945), (55, 1441556), (110, 720778), (199, 398420), (220, 360389), (398, 199210), (796, 99605), (995, 79684), (1811, 43780), (1990, 39842), (2189, 36220), (3622, 21890), (3980, 19921), (4378, 18110), (7244, 10945), (8756, 9055)]