127788220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{912773}}^1$

素因数の和:912789

約数の個数: 24

約数和(自身を含む): 306692064

約数和(自身を除く): 178903844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 912773, 1825546, 3651092, 4563865, 6389411, 9127730, 12778822, 18255460, 25557644, 31947055, 63894110, 127788220]

約数ペア:

[(1, 127788220), (2, 63894110), (4, 31947055), (5, 25557644), (7, 18255460), (10, 12778822), (14, 9127730), (20, 6389411), (28, 4563865), (35, 3651092), (70, 1825546), (140, 912773)]