986881980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2349719}}^1$

素因数の和:2349738

約数の個数: 48

約数和(自身を含む): 3158023680

約数和(自身を除く): 2171141700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2349719, 4699438, 7049157, 9398876, 11748595, 14098314, 16448033, 23497190, 28196628, 32896066, 35245785, 46994380, 49344099, 65792132, 70491570, 82240165, 98688198, 140983140, 164480330, 197376396, 246720495, 328960660, 493440990, 986881980]

約数ペア:

[(1, 986881980), (2, 493440990), (3, 328960660), (4, 246720495), (5, 197376396), (6, 164480330), (7, 140983140), (10, 98688198), (12, 82240165), (14, 70491570), (15, 65792132), (20, 49344099), (21, 46994380), (28, 35245785), (30, 32896066), (35, 28196628), (42, 23497190), (60, 16448033), (70, 14098314), (84, 11748595), (105, 9398876), (140, 7049157), (210, 4699438), (420, 2349719)]