257903030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{30449}}^1$

素因数の和:30485

約数の個数: 48

約数和(自身を含む): 583178400

約数和(自身を除く): 325275370

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 30449, 60898, 152245, 213143, 304490, 334939, 426286, 669878, 1065715, 1674695, 2131430, 2344573, 3349390, 3684329, 4689146, 7368658, 11722865, 18421645, 23445730, 25790303, 36843290, 51580606, 128951515, 257903030]

約数ペア:

[(1, 257903030), (2, 128951515), (5, 51580606), (7, 36843290), (10, 25790303), (11, 23445730), (14, 18421645), (22, 11722865), (35, 7368658), (55, 4689146), (70, 3684329), (77, 3349390), (110, 2344573), (121, 2131430), (154, 1674695), (242, 1065715), (385, 669878), (605, 426286), (770, 334939), (847, 304490), (1210, 213143), (1694, 152245), (4235, 60898), (8470, 30449)]