2017205900

素因数分解:

$2^2\times 5^2\times {\mathrm{2143}}^1\times {\mathrm{9413}}^1$

素因数の和:11570

約数の個数: 36

約数和(自身を含む): 4379844672

約数和(自身を除く): 2362638772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2143, 4286, 8572, 9413, 10715, 18826, 21430, 37652, 42860, 47065, 53575, 94130, 107150, 188260, 214300, 235325, 470650, 941300, 20172059, 40344118, 80688236, 100860295, 201720590, 403441180, 504301475, 1008602950, 2017205900]

約数ペア:

[(1, 2017205900), (2, 1008602950), (4, 504301475), (5, 403441180), (10, 201720590), (20, 100860295), (25, 80688236), (50, 40344118), (100, 20172059), (2143, 941300), (4286, 470650), (8572, 235325), (9413, 214300), (10715, 188260), (18826, 107150), (21430, 94130), (37652, 53575), (42860, 47065)]