78916460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{80527}}^1$

素因数の和:80550

約数の個数: 36

約数和(自身を含む): 192784032

約数和(自身を除く): 113867572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 80527, 161054, 322108, 402635, 563689, 805270, 1127378, 1610540, 2254756, 2818445, 3945823, 5636890, 7891646, 11273780, 15783292, 19729115, 39458230, 78916460]

約数ペア:

[(1, 78916460), (2, 39458230), (4, 19729115), (5, 15783292), (7, 11273780), (10, 7891646), (14, 5636890), (20, 3945823), (28, 2818445), (35, 2254756), (49, 1610540), (70, 1127378), (98, 805270), (140, 563689), (196, 402635), (245, 322108), (490, 161054), (980, 80527)]