678013280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{605369}}^1$

素因数の和:605391

約数の個数: 48

約数和(自身を含む): 1830638880

約数和(自身を除く): 1152625600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 605369, 1210738, 2421476, 3026845, 4237583, 4842952, 6053690, 8475166, 9685904, 12107380, 16950332, 19371808, 21187915, 24214760, 33900664, 42375830, 48429520, 67801328, 84751660, 96859040, 135602656, 169503320, 339006640, 678013280]

約数ペア:

[(1, 678013280), (2, 339006640), (4, 169503320), (5, 135602656), (7, 96859040), (8, 84751660), (10, 67801328), (14, 48429520), (16, 42375830), (20, 33900664), (28, 24214760), (32, 21187915), (35, 19371808), (40, 16950332), (56, 12107380), (70, 9685904), (80, 8475166), (112, 6053690), (140, 4842952), (160, 4237583), (224, 3026845), (280, 2421476), (560, 1210738), (1120, 605369)]