1872220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 4612608

約数和(自身を除く): 2740388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 311, 430, 602, 622, 860, 1204, 1244, 1505, 1555, 2177, 3010, 3110, 4354, 6020, 6220, 8708, 10885, 13373, 21770, 26746, 43540, 53492, 66865, 93611, 133730, 187222, 267460, 374444, 468055, 936110, 1872220]

約数ペア:

[(1, 1872220), (2, 936110), (4, 468055), (5, 374444), (7, 267460), (10, 187222), (14, 133730), (20, 93611), (28, 66865), (35, 53492), (43, 43540), (70, 26746), (86, 21770), (140, 13373), (172, 10885), (215, 8708), (301, 6220), (311, 6020), (430, 4354), (602, 3110), (622, 3010), (860, 2177), (1204, 1555), (1244, 1505)]