8750420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8929}}^1$

素因数の和:8952

約数の個数: 36

約数和(自身を含む): 21378420

約数和(自身を除く): 12628000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8929, 17858, 35716, 44645, 62503, 89290, 125006, 178580, 250012, 312515, 437521, 625030, 875042, 1250060, 1750084, 2187605, 4375210, 8750420]

約数ペア:

[(1, 8750420), (2, 4375210), (4, 2187605), (5, 1750084), (7, 1250060), (10, 875042), (14, 625030), (20, 437521), (28, 312515), (35, 250012), (49, 178580), (70, 125006), (98, 89290), (140, 62503), (196, 44645), (245, 35716), (490, 17858), (980, 8929)]