16638580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6991}}^1$

素因数の和:7024

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 25649036

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 6991, 13982, 27964, 34955, 48937, 69910, 97874, 118847, 139820, 195748, 237694, 244685, 475388, 489370, 594235, 831929, 978740, 1188470, 1663858, 2376940, 3327716, 4159645, 8319290, 16638580]

約数ペア:

[(1, 16638580), (2, 8319290), (4, 4159645), (5, 3327716), (7, 2376940), (10, 1663858), (14, 1188470), (17, 978740), (20, 831929), (28, 594235), (34, 489370), (35, 475388), (68, 244685), (70, 237694), (85, 195748), (119, 139820), (140, 118847), (170, 97874), (238, 69910), (340, 48937), (476, 34955), (595, 27964), (1190, 13982), (2380, 6991)]