305270

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{89}}^1$

素因数の和:117

約数の個数: 32

約数和(自身を含む): 648000

約数和(自身を除く): 342730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 343, 445, 490, 623, 686, 890, 1246, 1715, 3115, 3430, 4361, 6230, 8722, 21805, 30527, 43610, 61054, 152635, 305270]

約数ペア:

[(1, 305270), (2, 152635), (5, 61054), (7, 43610), (10, 30527), (14, 21805), (35, 8722), (49, 6230), (70, 4361), (89, 3430), (98, 3115), (178, 1715), (245, 1246), (343, 890), (445, 686), (490, 623)]