213807460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{288929}}^1$

素因数の和:288975

約数の個数: 24

約数和(自身を含む): 461132280

約数和(自身を除く): 247324820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 288929, 577858, 1155716, 1444645, 2889290, 5778580, 10690373, 21380746, 42761492, 53451865, 106903730, 213807460]

約数ペア:

[(1, 213807460), (2, 106903730), (4, 53451865), (5, 42761492), (10, 21380746), (20, 10690373), (37, 5778580), (74, 2889290), (148, 1444645), (185, 1155716), (370, 577858), (740, 288929)]