208030360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305927}}^1$

素因数の和:305955

約数の個数: 32

約数和(自身を含む): 495603360

約数和(自身を除く): 287573000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 305927, 611854, 1223708, 1529635, 2447416, 3059270, 5200759, 6118540, 10401518, 12237080, 20803036, 26003795, 41606072, 52007590, 104015180, 208030360]

約数ペア:

[(1, 208030360), (2, 104015180), (4, 52007590), (5, 41606072), (8, 26003795), (10, 20803036), (17, 12237080), (20, 10401518), (34, 6118540), (40, 5200759), (68, 3059270), (85, 2447416), (136, 1529635), (170, 1223708), (340, 611854), (680, 305927)]