398410720

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{13037}}^1$

素因数の和:13243

約数の個数: 48

約数和(自身を含む): 946245888

約数和(自身を除く): 547835168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 6112, 7640, 13037, 15280, 26074, 30560, 52148, 65185, 104296, 130370, 208592, 260740, 417184, 521480, 1042960, 2085920, 2490067, 4980134, 9960268, 12450335, 19920536, 24900670, 39841072, 49801340, 79682144, 99602680, 199205360, 398410720]

約数ペア:

[(1, 398410720), (2, 199205360), (4, 99602680), (5, 79682144), (8, 49801340), (10, 39841072), (16, 24900670), (20, 19920536), (32, 12450335), (40, 9960268), (80, 4980134), (160, 2490067), (191, 2085920), (382, 1042960), (764, 521480), (955, 417184), (1528, 260740), (1910, 208592), (3056, 130370), (3820, 104296), (6112, 65185), (7640, 52148), (13037, 30560), (15280, 26074)]