664173860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4744099}}^1$

素因数の和:4744115

約数の個数: 24

約数和(自身を含む): 1594017600

約数和(自身を除く): 929843740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4744099, 9488198, 18976396, 23720495, 33208693, 47440990, 66417386, 94881980, 132834772, 166043465, 332086930, 664173860]

約数ペア:

[(1, 664173860), (2, 332086930), (4, 166043465), (5, 132834772), (7, 94881980), (10, 66417386), (14, 47440990), (20, 33208693), (28, 23720495), (35, 18976396), (70, 9488198), (140, 4744099)]