138814900

素因数分解:

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

素因数の和:6449

約数の個数: 72

約数和(自身を含む): 355421696

約数和(自身を除く): 216606796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4340, 5425, 6397, 10850, 12794, 21700, 25588, 31985, 44779, 63970, 89558, 127940, 159925, 179116, 198307, 223895, 319850, 396614, 447790, 639700, 793228, 895580, 991535, 1119475, 1388149, 1983070, 2238950, 2776298, 3966140, 4477900, 4957675, 5552596, 6940745, 9915350, 13881490, 19830700, 27762980, 34703725, 69407450, 138814900]

約数ペア:

[(1, 138814900), (2, 69407450), (4, 34703725), (5, 27762980), (7, 19830700), (10, 13881490), (14, 9915350), (20, 6940745), (25, 5552596), (28, 4957675), (31, 4477900), (35, 3966140), (50, 2776298), (62, 2238950), (70, 1983070), (100, 1388149), (124, 1119475), (140, 991535), (155, 895580), (175, 793228), (217, 639700), (310, 447790), (350, 396614), (434, 319850), (620, 223895), (700, 198307), (775, 179116), (868, 159925), (1085, 127940), (1550, 89558), (2170, 63970), (3100, 44779), (4340, 31985), (5425, 25588), (6397, 21700), (10850, 12794)]