1547140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 3814272

約数和(自身を除く): 2267132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 257, 301, 430, 514, 602, 860, 1028, 1204, 1285, 1505, 1799, 2570, 3010, 3598, 5140, 6020, 7196, 8995, 11051, 17990, 22102, 35980, 44204, 55255, 77357, 110510, 154714, 221020, 309428, 386785, 773570, 1547140]

約数ペア:

[(1, 1547140), (2, 773570), (4, 386785), (5, 309428), (7, 221020), (10, 154714), (14, 110510), (20, 77357), (28, 55255), (35, 44204), (43, 35980), (70, 22102), (86, 17990), (140, 11051), (172, 8995), (215, 7196), (257, 6020), (301, 5140), (430, 3598), (514, 3010), (602, 2570), (860, 1799), (1028, 1505), (1204, 1285)]