142765870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{2621}}^1$

素因数の和:3060

約数の個数: 32

約数和(自身を含む): 277512480

約数和(自身を除く): 134746610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 419, 838, 2095, 2621, 4190, 5242, 5447, 10894, 13105, 26210, 27235, 34073, 54470, 68146, 170365, 340730, 1098199, 2196398, 5490995, 10981990, 14276587, 28553174, 71382935, 142765870]

約数ペア:

[(1, 142765870), (2, 71382935), (5, 28553174), (10, 14276587), (13, 10981990), (26, 5490995), (65, 2196398), (130, 1098199), (419, 340730), (838, 170365), (2095, 68146), (2621, 54470), (4190, 34073), (5242, 27235), (5447, 26210), (10894, 13105)]