193119640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{689713}}^1$

素因数の和:689731

約数の個数: 32

約数和(自身を含む): 496594080

約数和(自身を除く): 303474440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 689713, 1379426, 2758852, 3448565, 4827991, 5517704, 6897130, 9655982, 13794260, 19311964, 24139955, 27588520, 38623928, 48279910, 96559820, 193119640]

約数ペア:

[(1, 193119640), (2, 96559820), (4, 48279910), (5, 38623928), (7, 27588520), (8, 24139955), (10, 19311964), (14, 13794260), (20, 9655982), (28, 6897130), (35, 5517704), (40, 4827991), (56, 3448565), (70, 2758852), (140, 1379426), (280, 689713)]