217335740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{472469}}^1$

素因数の和:472501

約数の個数: 24

約数和(自身を含む): 476249760

約数和(自身を除く): 258914020

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 472469, 944938, 1889876, 2362345, 4724690, 9449380, 10866787, 21733574, 43467148, 54333935, 108667870, 217335740]

約数ペア:

[(1, 217335740), (2, 108667870), (4, 54333935), (5, 43467148), (10, 21733574), (20, 10866787), (23, 9449380), (46, 4724690), (92, 2362345), (115, 1889876), (230, 944938), (460, 472469)]