490655870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{26479}}^1$

素因数の和:26612

約数の個数: 32

約数和(自身を含む): 943747200

約数和(自身を除く): 453091330

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 18530, 26479, 52958, 132395, 264790, 450143, 900286, 2250715, 2886211, 4501430, 5772422, 14431055, 28862110, 49065587, 98131174, 245327935, 490655870]

約数ペア:

[(1, 490655870), (2, 245327935), (5, 98131174), (10, 49065587), (17, 28862110), (34, 14431055), (85, 5772422), (109, 4501430), (170, 2886211), (218, 2250715), (545, 900286), (1090, 450143), (1853, 264790), (3706, 132395), (9265, 52958), (18530, 26479)]