79438660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{877}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 191165184

約数和(自身を除く): 111726524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 877, 1294, 1754, 2588, 3235, 3508, 4385, 4529, 6139, 6470, 8770, 9058, 12278, 12940, 17540, 18116, 22645, 24556, 30695, 45290, 61390, 90580, 122780, 567419, 1134838, 2269676, 2837095, 3971933, 5674190, 7943866, 11348380, 15887732, 19859665, 39719330, 79438660]

約数ペア:

[(1, 79438660), (2, 39719330), (4, 19859665), (5, 15887732), (7, 11348380), (10, 7943866), (14, 5674190), (20, 3971933), (28, 2837095), (35, 2269676), (70, 1134838), (140, 567419), (647, 122780), (877, 90580), (1294, 61390), (1754, 45290), (2588, 30695), (3235, 24556), (3508, 22645), (4385, 18116), (4529, 17540), (6139, 12940), (6470, 12278), (8770, 9058)]