142172140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{646237}}^1$

素因数の和:646257

約数の個数: 24

約数和(自身を含む): 325703952

約数和(自身を除く): 183531812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 646237, 1292474, 2584948, 3231185, 6462370, 7108607, 12924740, 14217214, 28434428, 35543035, 71086070, 142172140]

約数ペア:

[(1, 142172140), (2, 71086070), (4, 35543035), (5, 28434428), (10, 14217214), (11, 12924740), (20, 7108607), (22, 6462370), (44, 3231185), (55, 2584948), (110, 1292474), (220, 646237)]