68432840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244403}}^1$

素因数の和:244421

約数の個数: 32

約数和(自身を含む): 175970880

約数和(自身を除く): 107538040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244403, 488806, 977612, 1222015, 1710821, 1955224, 2444030, 3421642, 4888060, 6843284, 8554105, 9776120, 13686568, 17108210, 34216420, 68432840]

約数ペア:

[(1, 68432840), (2, 34216420), (4, 17108210), (5, 13686568), (7, 9776120), (8, 8554105), (10, 6843284), (14, 4888060), (20, 3421642), (28, 2444030), (35, 1955224), (40, 1710821), (56, 1222015), (70, 977612), (140, 488806), (280, 244403)]