1399131580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{908527}}^1$

素因数の和:908554

約数の個数: 48

約数和(自身を含む): 3663184896

約数和(自身を除く): 2264053316

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, 908527, 1817054, 3634108, 4542635, 6359689, 9085270, 9993797, 12719378, 18170540, 19987594, 25438756, 31798445, 39975188, 49968985, 63596890, 69956579, 99937970, 127193780, 139913158, 199875940, 279826316, 349782895, 699565790, 1399131580]

約数ペア:

[(1, 1399131580), (2, 699565790), (4, 349782895), (5, 279826316), (7, 199875940), (10, 139913158), (11, 127193780), (14, 99937970), (20, 69956579), (22, 63596890), (28, 49968985), (35, 39975188), (44, 31798445), (55, 25438756), (70, 19987594), (77, 18170540), (110, 12719378), (140, 9993797), (154, 9085270), (220, 6359689), (308, 4542635), (385, 3634108), (770, 1817054), (1540, 908527)]