87770980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{36269}}^1$

素因数の和:36300

約数の個数: 36

約数和(自身を含む): 202604220

約数和(自身を除く): 114833240

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 36269, 72538, 145076, 181345, 362690, 398959, 725380, 797918, 1595836, 1994795, 3989590, 4388549, 7979180, 8777098, 17554196, 21942745, 43885490, 87770980]

約数ペア:

[(1, 87770980), (2, 43885490), (4, 21942745), (5, 17554196), (10, 8777098), (11, 7979180), (20, 4388549), (22, 3989590), (44, 1994795), (55, 1595836), (110, 797918), (121, 725380), (220, 398959), (242, 362690), (484, 181345), (605, 145076), (1210, 72538), (2420, 36269)]