87268660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 188407296

約数和(自身を除く): 101138636

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 263, 353, 470, 526, 706, 940, 1052, 1315, 1412, 1765, 2630, 3530, 5260, 7060, 12361, 16591, 24722, 33182, 49444, 61805, 66364, 82955, 92839, 123610, 165910, 185678, 247220, 331820, 371356, 464195, 928390, 1856780, 4363433, 8726866, 17453732, 21817165, 43634330, 87268660]

約数ペア:

[(1, 87268660), (2, 43634330), (4, 21817165), (5, 17453732), (10, 8726866), (20, 4363433), (47, 1856780), (94, 928390), (188, 464195), (235, 371356), (263, 331820), (353, 247220), (470, 185678), (526, 165910), (706, 123610), (940, 92839), (1052, 82955), (1315, 66364), (1412, 61805), (1765, 49444), (2630, 33182), (3530, 24722), (5260, 16591), (7060, 12361)]