1813420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12953}}^1$

素因数の和:12969

約数の個数: 24

約数和(自身を含む): 4352544

約数和(自身を除く): 2539124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12953, 25906, 51812, 64765, 90671, 129530, 181342, 259060, 362684, 453355, 906710, 1813420]

約数ペア:

[(1, 1813420), (2, 906710), (4, 453355), (5, 362684), (7, 259060), (10, 181342), (14, 129530), (20, 90671), (28, 64765), (35, 51812), (70, 25906), (140, 12953)]