420441650

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{86689}}^1$

素因数の和:86798

約数の個数: 24

約数和(自身を含む): 790092660

約数和(自身を除く): 369651010

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4850, 86689, 173378, 433445, 866890, 2167225, 4334450, 8408833, 16817666, 42044165, 84088330, 210220825, 420441650]

約数ペア:

[(1, 420441650), (2, 210220825), (5, 84088330), (10, 42044165), (25, 16817666), (50, 8408833), (97, 4334450), (194, 2167225), (485, 866890), (970, 433445), (2425, 173378), (4850, 86689)]