86419480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{308641}}^1$

素因数の和:308659

約数の個数: 32

約数和(自身を含む): 222222240

約数和(自身を除く): 135802760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 308641, 617282, 1234564, 1543205, 2160487, 2469128, 3086410, 4320974, 6172820, 8641948, 10802435, 12345640, 17283896, 21604870, 43209740, 86419480]

約数ペア:

[(1, 86419480), (2, 43209740), (4, 21604870), (5, 17283896), (7, 12345640), (8, 10802435), (10, 8641948), (14, 6172820), (20, 4320974), (28, 3086410), (35, 2469128), (40, 2160487), (56, 1543205), (70, 1234564), (140, 617282), (280, 308641)]