4221140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2741}}^1$

素因数の和:2768

約数の個数: 48

約数和(自身を含む): 11055744

約数和(自身を除く): 6834604

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, 2741, 5482, 10964, 13705, 19187, 27410, 30151, 38374, 54820, 60302, 76748, 95935, 120604, 150755, 191870, 211057, 301510, 383740, 422114, 603020, 844228, 1055285, 2110570, 4221140]

約数ペア:

[(1, 4221140), (2, 2110570), (4, 1055285), (5, 844228), (7, 603020), (10, 422114), (11, 383740), (14, 301510), (20, 211057), (22, 191870), (28, 150755), (35, 120604), (44, 95935), (55, 76748), (70, 60302), (77, 54820), (110, 38374), (140, 30151), (154, 27410), (220, 19187), (308, 13705), (385, 10964), (770, 5482), (1540, 2741)]