270221870

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{853}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 494363520

約数和(自身を除く): 224141650

約数列:

[1, 2, 5, 10, 79, 158, 395, 401, 790, 802, 853, 1706, 2005, 4010, 4265, 8530, 31679, 63358, 67387, 134774, 158395, 316790, 336935, 342053, 673870, 684106, 1710265, 3420530, 27022187, 54044374, 135110935, 270221870]

約数ペア:

[(1, 270221870), (2, 135110935), (5, 54044374), (10, 27022187), (79, 3420530), (158, 1710265), (395, 684106), (401, 673870), (790, 342053), (802, 336935), (853, 316790), (1706, 158395), (2005, 134774), (4010, 67387), (4265, 63358), (8530, 31679)]