1378335280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2461313}}^1$

素因数の和:2461333

約数の個数: 40

約数和(自身を含む): 3662435232

約数和(自身を除く): 2284099952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2461313, 4922626, 9845252, 12306565, 17229191, 19690504, 24613130, 34458382, 39381008, 49226260, 68916764, 86145955, 98452520, 137833528, 172291910, 196905040, 275667056, 344583820, 689167640, 1378335280]

約数ペア:

[(1, 1378335280), (2, 689167640), (4, 344583820), (5, 275667056), (7, 196905040), (8, 172291910), (10, 137833528), (14, 98452520), (16, 86145955), (20, 68916764), (28, 49226260), (35, 39381008), (40, 34458382), (56, 24613130), (70, 19690504), (80, 17229191), (112, 12306565), (140, 9845252), (280, 4922626), (560, 2461313)]