197390810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{25339}}^1$

素因数の和:25406

約数の個数: 32

約数和(自身を含む): 383140800

約数和(自身を除く): 185749990

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 25339, 50678, 126695, 253390, 481441, 962882, 1038899, 2077798, 2407205, 4814410, 5194495, 10388990, 19739081, 39478162, 98695405, 197390810]

約数ペア:

[(1, 197390810), (2, 98695405), (5, 39478162), (10, 19739081), (19, 10388990), (38, 5194495), (41, 4814410), (82, 2407205), (95, 2077798), (190, 1038899), (205, 962882), (410, 481441), (779, 253390), (1558, 126695), (3895, 50678), (7790, 25339)]