129291190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{20753}}^1$

素因数の和:20856

約数の個数: 32

約数和(自身を含む): 268971840

約数和(自身を除く): 139680650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 20753, 41506, 103765, 145271, 207530, 290542, 726355, 1452710, 1847017, 3694034, 9235085, 12929119, 18470170, 25858238, 64645595, 129291190]

約数ペア:

[(1, 129291190), (2, 64645595), (5, 25858238), (7, 18470170), (10, 12929119), (14, 9235085), (35, 3694034), (70, 1847017), (89, 1452710), (178, 726355), (445, 290542), (623, 207530), (890, 145271), (1246, 103765), (3115, 41506), (6230, 20753)]