155813420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1112953}}^1$

素因数の和:1112969

約数の個数: 24

約数和(自身を含む): 373952544

約数和(自身を除く): 218139124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1112953, 2225906, 4451812, 5564765, 7790671, 11129530, 15581342, 22259060, 31162684, 38953355, 77906710, 155813420]

約数ペア:

[(1, 155813420), (2, 77906710), (4, 38953355), (5, 31162684), (7, 22259060), (10, 15581342), (14, 11129530), (20, 7790671), (28, 5564765), (35, 4451812), (70, 2225906), (140, 1112953)]