301420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2153}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 723744

約数和(自身を除く): 422324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2153, 4306, 8612, 10765, 15071, 21530, 30142, 43060, 60284, 75355, 150710, 301420]

約数ペア:

[(1, 301420), (2, 150710), (4, 75355), (5, 60284), (7, 43060), (10, 30142), (14, 21530), (20, 15071), (28, 10765), (35, 8612), (70, 4306), (140, 2153)]