7612220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4943}}^1$

素因数の和:4970

約数の個数: 48

約数和(自身を含む): 19934208

約数和(自身を除く): 12321988

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, 4943, 9886, 19772, 24715, 34601, 49430, 54373, 69202, 98860, 108746, 138404, 173005, 217492, 271865, 346010, 380611, 543730, 692020, 761222, 1087460, 1522444, 1903055, 3806110, 7612220]

約数ペア:

[(1, 7612220), (2, 3806110), (4, 1903055), (5, 1522444), (7, 1087460), (10, 761222), (11, 692020), (14, 543730), (20, 380611), (22, 346010), (28, 271865), (35, 217492), (44, 173005), (55, 138404), (70, 108746), (77, 98860), (110, 69202), (140, 54373), (154, 49430), (220, 34601), (308, 24715), (385, 19772), (770, 9886), (1540, 4943)]