253609580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{9103}}^1$

素因数の和:9318

約数の個数: 48

約数和(自身を含む): 611788800

約数和(自身を除く): 358179220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 9103, 13930, 18206, 27860, 36412, 45515, 63721, 91030, 127442, 182060, 254884, 318605, 637210, 1274420, 1811497, 3622994, 7245988, 9057485, 12680479, 18114970, 25360958, 36229940, 50721916, 63402395, 126804790, 253609580]

約数ペア:

[(1, 253609580), (2, 126804790), (4, 63402395), (5, 50721916), (7, 36229940), (10, 25360958), (14, 18114970), (20, 12680479), (28, 9057485), (35, 7245988), (70, 3622994), (140, 1811497), (199, 1274420), (398, 637210), (796, 318605), (995, 254884), (1393, 182060), (1990, 127442), (2786, 91030), (3980, 63721), (5572, 45515), (6965, 36412), (9103, 27860), (13930, 18206)]