143870020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1027643}}^1$

素因数の和:1027659

約数の個数: 24

約数和(自身を含む): 345288384

約数和(自身を除く): 201418364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1027643, 2055286, 4110572, 5138215, 7193501, 10276430, 14387002, 20552860, 28774004, 35967505, 71935010, 143870020]

約数ペア:

[(1, 143870020), (2, 71935010), (4, 35967505), (5, 28774004), (7, 20552860), (10, 14387002), (14, 10276430), (20, 7193501), (28, 5138215), (35, 4110572), (70, 2055286), (140, 1027643)]