206803380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{492389}}^1$

素因数の和:492408

約数の個数: 48

約数和(自身を含む): 661772160

約数和(自身を除く): 454968780

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, 492389, 984778, 1477167, 1969556, 2461945, 2954334, 3446723, 4923890, 5908668, 6893446, 7385835, 9847780, 10340169, 13786892, 14771670, 17233615, 20680338, 29543340, 34467230, 41360676, 51700845, 68934460, 103401690, 206803380]

約数ペア:

[(1, 206803380), (2, 103401690), (3, 68934460), (4, 51700845), (5, 41360676), (6, 34467230), (7, 29543340), (10, 20680338), (12, 17233615), (14, 14771670), (15, 13786892), (20, 10340169), (21, 9847780), (28, 7385835), (30, 6893446), (35, 5908668), (42, 4923890), (60, 3446723), (70, 2954334), (84, 2461945), (105, 1969556), (140, 1477167), (210, 984778), (420, 492389)]