27393940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{27953}}^1$

素因数の和:27976

約数の個数: 36

約数和(自身を含む): 66921876

約数和(自身を除く): 39527936

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 27953, 55906, 111812, 139765, 195671, 279530, 391342, 559060, 782684, 978355, 1369697, 1956710, 2739394, 3913420, 5478788, 6848485, 13696970, 27393940]

約数ペア:

[(1, 27393940), (2, 13696970), (4, 6848485), (5, 5478788), (7, 3913420), (10, 2739394), (14, 1956710), (20, 1369697), (28, 978355), (35, 782684), (49, 559060), (70, 391342), (98, 279530), (140, 195671), (196, 139765), (245, 111812), (490, 55906), (980, 27953)]