27762980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6397}}^1$

素因数の和:6444

約数の個数: 48

約数和(自身を含む): 68791296

約数和(自身を除く): 41028316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6397, 12794, 25588, 31985, 44779, 63970, 89558, 127940, 179116, 198307, 223895, 396614, 447790, 793228, 895580, 991535, 1388149, 1983070, 2776298, 3966140, 5552596, 6940745, 13881490, 27762980]

約数ペア:

[(1, 27762980), (2, 13881490), (4, 6940745), (5, 5552596), (7, 3966140), (10, 2776298), (14, 1983070), (20, 1388149), (28, 991535), (31, 895580), (35, 793228), (62, 447790), (70, 396614), (124, 223895), (140, 198307), (155, 179116), (217, 127940), (310, 89558), (434, 63970), (620, 44779), (868, 31985), (1085, 25588), (2170, 12794), (4340, 6397)]