650980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{269}}^1$

素因数の和:300

約数の個数: 36

約数和(自身を含む): 1508220

約数和(自身を除く): 857240

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 269, 484, 538, 605, 1076, 1210, 1345, 2420, 2690, 2959, 5380, 5918, 11836, 14795, 29590, 32549, 59180, 65098, 130196, 162745, 325490, 650980]

約数ペア:

[(1, 650980), (2, 325490), (4, 162745), (5, 130196), (10, 65098), (11, 59180), (20, 32549), (22, 29590), (44, 14795), (55, 11836), (110, 5918), (121, 5380), (220, 2959), (242, 2690), (269, 2420), (484, 1345), (538, 1210), (605, 1076)]