252860020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1806143}}^1$

素因数の和:1806159

約数の個数: 24

約数和(自身を含む): 606864384

約数和(自身を除く): 354004364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1806143, 3612286, 7224572, 9030715, 12643001, 18061430, 25286002, 36122860, 50572004, 63215005, 126430010, 252860020]

約数ペア:

[(1, 252860020), (2, 126430010), (4, 63215005), (5, 50572004), (7, 36122860), (10, 25286002), (14, 18061430), (20, 12643001), (28, 9030715), (35, 7224572), (70, 3612286), (140, 1806143)]