2123810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:99

約数の個数: 48

約数和(自身を含む): 4504248

約数和(自身を除く): 2380438

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 310, 403, 442, 527, 806, 961, 1054, 1105, 1922, 2015, 2210, 2635, 4030, 4805, 5270, 6851, 9610, 12493, 13702, 16337, 24986, 32674, 34255, 62465, 68510, 81685, 124930, 163370, 212381, 424762, 1061905, 2123810]

約数ペア:

[(1, 2123810), (2, 1061905), (5, 424762), (10, 212381), (13, 163370), (17, 124930), (26, 81685), (31, 68510), (34, 62465), (62, 34255), (65, 32674), (85, 24986), (130, 16337), (155, 13702), (170, 12493), (221, 9610), (310, 6851), (403, 5270), (442, 4805), (527, 4030), (806, 2635), (961, 2210), (1054, 2015), (1105, 1922)]