206892040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{304253}}^1$

素因数の和:304281

約数の個数: 32

約数和(自身を含む): 492891480

約数和(自身を除く): 285999440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 304253, 608506, 1217012, 1521265, 2434024, 3042530, 5172301, 6085060, 10344602, 12170120, 20689204, 25861505, 41378408, 51723010, 103446020, 206892040]

約数ペア:

[(1, 206892040), (2, 103446020), (4, 51723010), (5, 41378408), (8, 25861505), (10, 20689204), (17, 12170120), (20, 10344602), (34, 6085060), (40, 5172301), (68, 3042530), (85, 2434024), (136, 1521265), (170, 1217012), (340, 608506), (680, 304253)]