16993480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 44115840

約数和(自身を除く): 27122360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 443, 548, 685, 886, 959, 1096, 1370, 1772, 1918, 2215, 2740, 3101, 3544, 3836, 4430, 4795, 5480, 6202, 7672, 8860, 9590, 12404, 15505, 17720, 19180, 24808, 31010, 38360, 60691, 62020, 121382, 124040, 242764, 303455, 424837, 485528, 606910, 849674, 1213820, 1699348, 2124185, 2427640, 3398696, 4248370, 8496740, 16993480]

約数ペア:

[(1, 16993480), (2, 8496740), (4, 4248370), (5, 3398696), (7, 2427640), (8, 2124185), (10, 1699348), (14, 1213820), (20, 849674), (28, 606910), (35, 485528), (40, 424837), (56, 303455), (70, 242764), (137, 124040), (140, 121382), (274, 62020), (280, 60691), (443, 38360), (548, 31010), (685, 24808), (886, 19180), (959, 17720), (1096, 15505), (1370, 12404), (1772, 9590), (1918, 8860), (2215, 7672), (2740, 6202), (3101, 5480), (3544, 4795), (3836, 4430)]