200880890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{409961}}^1$

素因数の和:409982

約数の個数: 24

約数和(自身を含む): 420621012

約数和(自身を除く): 219740122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 409961, 819922, 2049805, 2869727, 4099610, 5739454, 14348635, 20088089, 28697270, 40176178, 100440445, 200880890]

約数ペア:

[(1, 200880890), (2, 100440445), (5, 40176178), (7, 28697270), (10, 20088089), (14, 14348635), (35, 5739454), (49, 4099610), (70, 2869727), (98, 2049805), (245, 819922), (490, 409961)]