198756040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{709843}}^1$

素因数の和:709861

約数の個数: 32

約数和(自身を含む): 511087680

約数和(自身を除く): 312331640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 709843, 1419686, 2839372, 3549215, 4968901, 5678744, 7098430, 9937802, 14196860, 19875604, 24844505, 28393720, 39751208, 49689010, 99378020, 198756040]

約数ペア:

[(1, 198756040), (2, 99378020), (4, 49689010), (5, 39751208), (7, 28393720), (8, 24844505), (10, 19875604), (14, 14196860), (20, 9937802), (28, 7098430), (35, 5678744), (40, 4968901), (56, 3549215), (70, 2839372), (140, 1419686), (280, 709843)]