205640908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3089}}^1$

素因数の和:3210

約数の個数: 48

約数和(自身を含む): 420487200

約数和(自身を除く): 214846292

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 89, 178, 187, 356, 374, 748, 979, 1513, 1958, 3026, 3089, 3916, 6052, 6178, 12356, 16643, 33286, 33979, 52513, 66572, 67958, 105026, 135916, 210052, 274921, 549842, 577643, 1099684, 1155286, 2310572, 3024131, 4673657, 6048262, 9347314, 12096524, 18694628, 51410227, 102820454, 205640908]

約数ペア:

[(1, 205640908), (2, 102820454), (4, 51410227), (11, 18694628), (17, 12096524), (22, 9347314), (34, 6048262), (44, 4673657), (68, 3024131), (89, 2310572), (178, 1155286), (187, 1099684), (356, 577643), (374, 549842), (748, 274921), (979, 210052), (1513, 135916), (1958, 105026), (3026, 67958), (3089, 66572), (3916, 52513), (6052, 33979), (6178, 33286), (12356, 16643)]