1245974740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1\times {\mathrm{1061}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 2659112064

約数和(自身を除く): 1413137324

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 827, 1061, 1420, 1654, 2122, 3308, 4135, 4244, 5305, 8270, 10610, 16540, 21220, 58717, 75331, 117434, 150662, 234868, 293585, 301324, 376655, 587170, 753310, 877447, 1174340, 1506620, 1754894, 3509788, 4387235, 8774470, 17548940, 62298737, 124597474, 249194948, 311493685, 622987370, 1245974740]

約数ペア:

[(1, 1245974740), (2, 622987370), (4, 311493685), (5, 249194948), (10, 124597474), (20, 62298737), (71, 17548940), (142, 8774470), (284, 4387235), (355, 3509788), (710, 1754894), (827, 1506620), (1061, 1174340), (1420, 877447), (1654, 753310), (2122, 587170), (3308, 376655), (4135, 301324), (4244, 293585), (5305, 234868), (8270, 150662), (10610, 117434), (16540, 75331), (21220, 58717)]