351182020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{358349}}^1$

素因数の和:358372

約数の個数: 36

約数和(自身を含む): 857889900

約数和(自身を除く): 506707880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 358349, 716698, 1433396, 1791745, 2508443, 3583490, 5016886, 7166980, 10033772, 12542215, 17559101, 25084430, 35118202, 50168860, 70236404, 87795505, 175591010, 351182020]

約数ペア:

[(1, 351182020), (2, 175591010), (4, 87795505), (5, 70236404), (7, 50168860), (10, 35118202), (14, 25084430), (20, 17559101), (28, 12542215), (35, 10033772), (49, 7166980), (70, 5016886), (98, 3583490), (140, 2508443), (196, 1791745), (245, 1433396), (490, 716698), (980, 358349)]