64364860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{459749}}^1$

素因数の和:459765

約数の個数: 24

約数和(自身を含む): 154476000

約数和(自身を除く): 90111140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 459749, 919498, 1838996, 2298745, 3218243, 4597490, 6436486, 9194980, 12872972, 16091215, 32182430, 64364860]

約数ペア:

[(1, 64364860), (2, 32182430), (4, 16091215), (5, 12872972), (7, 9194980), (10, 6436486), (14, 4597490), (20, 3218243), (28, 2298745), (35, 1838996), (70, 919498), (140, 459749)]