131579140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2057

約数の個数: 96

約数和(自身を含む): 352687104

約数和(自身を除く): 221107964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 770, 860, 946, 1204, 1505, 1540, 1892, 1987, 2365, 3010, 3311, 3974, 4730, 6020, 6622, 7948, 9460, 9935, 13244, 13909, 16555, 19870, 21857, 27818, 33110, 39740, 43714, 55636, 66220, 69545, 85441, 87428, 109285, 139090, 152999, 170882, 218570, 278180, 305998, 341764, 427205, 437140, 598087, 611996, 764995, 854410, 939851, 1196174, 1529990, 1708820, 1879702, 2392348, 2990435, 3059980, 3759404, 4699255, 5980870, 6578957, 9398510, 11961740, 13157914, 18797020, 26315828, 32894785, 65789570, 131579140]

約数ペア:

[(1, 131579140), (2, 65789570), (4, 32894785), (5, 26315828), (7, 18797020), (10, 13157914), (11, 11961740), (14, 9398510), (20, 6578957), (22, 5980870), (28, 4699255), (35, 3759404), (43, 3059980), (44, 2990435), (55, 2392348), (70, 1879702), (77, 1708820), (86, 1529990), (110, 1196174), (140, 939851), (154, 854410), (172, 764995), (215, 611996), (220, 598087), (301, 437140), (308, 427205), (385, 341764), (430, 305998), (473, 278180), (602, 218570), (770, 170882), (860, 152999), (946, 139090), (1204, 109285), (1505, 87428), (1540, 85441), (1892, 69545), (1987, 66220), (2365, 55636), (3010, 43714), (3311, 39740), (3974, 33110), (4730, 27818), (6020, 21857), (6622, 19870), (7948, 16555), (9460, 13909), (9935, 13244)]