201955820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15559}}^1$

素因数の和:15638

約数の個数: 48

約数和(自身を含む): 470534400

約数和(自身を除く): 268578580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 15559, 31118, 62236, 77795, 155590, 171149, 311180, 342298, 684596, 855745, 917981, 1711490, 1835962, 3422980, 3671924, 4589905, 9179810, 10097791, 18359620, 20195582, 40391164, 50488955, 100977910, 201955820]

約数ペア:

[(1, 201955820), (2, 100977910), (4, 50488955), (5, 40391164), (10, 20195582), (11, 18359620), (20, 10097791), (22, 9179810), (44, 4589905), (55, 3671924), (59, 3422980), (110, 1835962), (118, 1711490), (220, 917981), (236, 855745), (295, 684596), (590, 342298), (649, 311180), (1180, 171149), (1298, 155590), (2596, 77795), (3245, 62236), (6490, 31118), (12980, 15559)]