402105620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2872183}}^1$

素因数の和:2872199

約数の個数: 24

約数和(自身を含む): 965053824

約数和(自身を除く): 562948204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2872183, 5744366, 11488732, 14360915, 20105281, 28721830, 40210562, 57443660, 80421124, 100526405, 201052810, 402105620]

約数ペア:

[(1, 402105620), (2, 201052810), (4, 100526405), (5, 80421124), (7, 57443660), (10, 40210562), (14, 28721830), (20, 20105281), (28, 14360915), (35, 11488732), (70, 5744366), (140, 2872183)]