68245940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487471}}^1$

素因数の和:487487

約数の個数: 24

約数和(自身を含む): 163790592

約数和(自身を除く): 95544652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487471, 974942, 1949884, 2437355, 3412297, 4874710, 6824594, 9749420, 13649188, 17061485, 34122970, 68245940]

約数ペア:

[(1, 68245940), (2, 34122970), (4, 17061485), (5, 13649188), (7, 9749420), (10, 6824594), (14, 4874710), (20, 3412297), (28, 2437355), (35, 1949884), (70, 974942), (140, 487471)]