7812140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 19220544

約数和(自身を除く): 11408404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1361, 1435, 2722, 2870, 5444, 5740, 6805, 9527, 13610, 19054, 27220, 38108, 47635, 55801, 95270, 111602, 190540, 223204, 279005, 390607, 558010, 781214, 1116020, 1562428, 1953035, 3906070, 7812140]

約数ペア:

[(1, 7812140), (2, 3906070), (4, 1953035), (5, 1562428), (7, 1116020), (10, 781214), (14, 558010), (20, 390607), (28, 279005), (35, 223204), (41, 190540), (70, 111602), (82, 95270), (140, 55801), (164, 47635), (205, 38108), (287, 27220), (410, 19054), (574, 13610), (820, 9527), (1148, 6805), (1361, 5740), (1435, 5444), (2722, 2870)]