313625990

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 570240000

約数和(自身を除く): 256614010

約数列:

[1, 2, 5, 10, 199, 359, 398, 439, 718, 878, 995, 1795, 1990, 2195, 3590, 4390, 71441, 87361, 142882, 157601, 174722, 315202, 357205, 436805, 714410, 788005, 873610, 1576010, 31362599, 62725198, 156812995, 313625990]

約数ペア:

[(1, 313625990), (2, 156812995), (5, 62725198), (10, 31362599), (199, 1576010), (359, 873610), (398, 788005), (439, 714410), (718, 436805), (878, 357205), (995, 315202), (1795, 174722), (1990, 157601), (2195, 142882), (3590, 87361), (4390, 71441)]