245273420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{250279}}^1$

素因数の和:250302

約数の個数: 36

約数和(自身を含む): 599170320

約数和(自身を除く): 353896900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 250279, 500558, 1001116, 1251395, 1751953, 2502790, 3503906, 5005580, 7007812, 8759765, 12263671, 17519530, 24527342, 35039060, 49054684, 61318355, 122636710, 245273420]

約数ペア:

[(1, 245273420), (2, 122636710), (4, 61318355), (5, 49054684), (7, 35039060), (10, 24527342), (14, 17519530), (20, 12263671), (28, 8759765), (35, 7007812), (49, 5005580), (70, 3503906), (98, 2502790), (140, 1751953), (196, 1251395), (245, 1001116), (490, 500558), (980, 250279)]