7220199140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4688441}}^1$

素因数の和:4688468

約数の個数: 48

約数和(自身を含む): 18903798144

約数和(自身を除く): 11683599004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 4688441, 9376882, 18753764, 23442205, 32819087, 46884410, 51572851, 65638174, 93768820, 103145702, 131276348, 164095435, 206291404, 257864255, 328190870, 361009957, 515728510, 656381740, 722019914, 1031457020, 1444039828, 1805049785, 3610099570, 7220199140]

約数ペア:

[(1, 7220199140), (2, 3610099570), (4, 1805049785), (5, 1444039828), (7, 1031457020), (10, 722019914), (11, 656381740), (14, 515728510), (20, 361009957), (22, 328190870), (28, 257864255), (35, 206291404), (44, 164095435), (55, 131276348), (70, 103145702), (77, 93768820), (110, 65638174), (140, 51572851), (154, 46884410), (220, 32819087), (308, 23442205), (385, 18753764), (770, 9376882), (1540, 4688441)]