99378020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709843}}^1$

素因数の和:709859

約数の個数: 24

約数和(自身を含む): 238507584

約数和(自身を除く): 139129564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709843, 1419686, 2839372, 3549215, 4968901, 7098430, 9937802, 14196860, 19875604, 24844505, 49689010, 99378020]

約数ペア:

[(1, 99378020), (2, 49689010), (4, 24844505), (5, 19875604), (7, 14196860), (10, 9937802), (14, 7098430), (20, 4968901), (28, 3549215), (35, 2839372), (70, 1419686), (140, 709843)]