121753380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{289889}}^1$

素因数の和:289908

約数の個数: 48

約数和(自身を含む): 389612160

約数和(自身を除く): 267858780

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, 289889, 579778, 869667, 1159556, 1449445, 1739334, 2029223, 2898890, 3478668, 4058446, 4348335, 5797780, 6087669, 8116892, 8696670, 10146115, 12175338, 17393340, 20292230, 24350676, 30438345, 40584460, 60876690, 121753380]

約数ペア:

[(1, 121753380), (2, 60876690), (3, 40584460), (4, 30438345), (5, 24350676), (6, 20292230), (7, 17393340), (10, 12175338), (12, 10146115), (14, 8696670), (15, 8116892), (20, 6087669), (21, 5797780), (28, 4348335), (30, 4058446), (35, 3478668), (42, 2898890), (60, 2029223), (70, 1739334), (84, 1449445), (105, 1159556), (140, 869667), (210, 579778), (420, 289889)]