142715980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{648709}}^1$

素因数の和:648729

約数の個数: 24

約数和(自身を含む): 326949840

約数和(自身を除く): 184233860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 648709, 1297418, 2594836, 3243545, 6487090, 7135799, 12974180, 14271598, 28543196, 35678995, 71357990, 142715980]

約数ペア:

[(1, 142715980), (2, 71357990), (4, 35678995), (5, 28543196), (10, 14271598), (11, 12974180), (20, 7135799), (22, 6487090), (44, 3243545), (55, 2594836), (110, 1297418), (220, 648709)]