203422780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{84059}}^1$

素因数の和:84090

約数の個数: 36

約数和(自身を含む): 469559160

約数和(自身を除く): 266136380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 84059, 168118, 336236, 420295, 840590, 924649, 1681180, 1849298, 3698596, 4623245, 9246490, 10171139, 18492980, 20342278, 40684556, 50855695, 101711390, 203422780]

約数ペア:

[(1, 203422780), (2, 101711390), (4, 50855695), (5, 40684556), (10, 20342278), (11, 18492980), (20, 10171139), (22, 9246490), (44, 4623245), (55, 3698596), (110, 1849298), (121, 1681180), (220, 924649), (242, 840590), (484, 420295), (605, 336236), (1210, 168118), (2420, 84059)]