210864740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{198929}}^1$

素因数の和:198991

約数の個数: 24

約数和(自身を含む): 451173240

約数和(自身を除く): 240308500

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 198929, 397858, 795716, 994645, 1989290, 3978580, 10543237, 21086474, 42172948, 52716185, 105432370, 210864740]

約数ペア:

[(1, 210864740), (2, 105432370), (4, 52716185), (5, 42172948), (10, 21086474), (20, 10543237), (53, 3978580), (106, 1989290), (212, 994645), (265, 795716), (530, 397858), (1060, 198929)]