258173860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1844099}}^1$

素因数の和:1844115

約数の個数: 24

約数和(自身を含む): 619617600

約数和(自身を除く): 361443740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1844099, 3688198, 7376396, 9220495, 12908693, 18440990, 25817386, 36881980, 51634772, 64543465, 129086930, 258173860]

約数ペア:

[(1, 258173860), (2, 129086930), (4, 64543465), (5, 51634772), (7, 36881980), (10, 25817386), (14, 18440990), (20, 12908693), (28, 9220495), (35, 7376396), (70, 3688198), (140, 1844099)]