42971740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{306941}}^1$

素因数の和:306957

約数の個数: 24

約数和(自身を含む): 103132512

約数和(自身を除く): 60160772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 306941, 613882, 1227764, 1534705, 2148587, 3069410, 4297174, 6138820, 8594348, 10742935, 21485870, 42971740]

約数ペア:

[(1, 42971740), (2, 21485870), (4, 10742935), (5, 8594348), (7, 6138820), (10, 4297174), (14, 3069410), (20, 2148587), (28, 1534705), (35, 1227764), (70, 613882), (140, 306941)]