8353380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19889}}^1$

素因数の和:19908

約数の個数: 48

約数和(自身を含む): 26732160

約数和(自身を除く): 18378780

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, 19889, 39778, 59667, 79556, 99445, 119334, 139223, 198890, 238668, 278446, 298335, 397780, 417669, 556892, 596670, 696115, 835338, 1193340, 1392230, 1670676, 2088345, 2784460, 4176690, 8353380]

約数ペア:

[(1, 8353380), (2, 4176690), (3, 2784460), (4, 2088345), (5, 1670676), (6, 1392230), (7, 1193340), (10, 835338), (12, 696115), (14, 596670), (15, 556892), (20, 417669), (21, 397780), (28, 298335), (30, 278446), (35, 238668), (42, 198890), (60, 139223), (70, 119334), (84, 99445), (105, 79556), (140, 59667), (210, 39778), (420, 19889)]