239492020

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{28579}}^1$

素因数の和:29007

約数の個数: 24

約数和(自身を含む): 504151200

約数和(自身を除く): 264659180

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 28579, 57158, 114316, 142895, 285790, 571580, 11974601, 23949202, 47898404, 59873005, 119746010, 239492020]

約数ペア:

[(1, 239492020), (2, 119746010), (4, 59873005), (5, 47898404), (10, 23949202), (20, 11974601), (419, 571580), (838, 285790), (1676, 142895), (2095, 114316), (4190, 57158), (8380, 28579)]