3428740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 8668800

約数和(自身を除く): 5240060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1289, 1330, 2578, 2660, 5156, 6445, 9023, 12890, 18046, 24491, 25780, 36092, 45115, 48982, 90230, 97964, 122455, 171437, 180460, 244910, 342874, 489820, 685748, 857185, 1714370, 3428740]

約数ペア:

[(1, 3428740), (2, 1714370), (4, 857185), (5, 685748), (7, 489820), (10, 342874), (14, 244910), (19, 180460), (20, 171437), (28, 122455), (35, 97964), (38, 90230), (70, 48982), (76, 45115), (95, 36092), (133, 25780), (140, 24491), (190, 18046), (266, 12890), (380, 9023), (532, 6445), (665, 5156), (1289, 2660), (1330, 2578)]