76347880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{38953}}^1$

素因数の和:38978

約数の個数: 48

約数和(自身を含む): 199834020

約数和(自身を除く): 123486140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 38953, 77906, 155812, 194765, 272671, 311624, 389530, 545342, 779060, 1090684, 1363355, 1558120, 1908697, 2181368, 2726710, 3817394, 5453420, 7634788, 9543485, 10906840, 15269576, 19086970, 38173940, 76347880]

約数ペア:

[(1, 76347880), (2, 38173940), (4, 19086970), (5, 15269576), (7, 10906840), (8, 9543485), (10, 7634788), (14, 5453420), (20, 3817394), (28, 2726710), (35, 2181368), (40, 1908697), (49, 1558120), (56, 1363355), (70, 1090684), (98, 779060), (140, 545342), (196, 389530), (245, 311624), (280, 272671), (392, 194765), (490, 155812), (980, 77906), (1960, 38953)]