669581810

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{4003}}^1$

素因数の和:4442

約数の個数: 32

約数和(自身を含む): 1236755520

約数和(自身を除く): 567173710

約数列:

[1, 2, 5, 10, 43, 86, 215, 389, 430, 778, 1945, 3890, 4003, 8006, 16727, 20015, 33454, 40030, 83635, 167270, 172129, 344258, 860645, 1557167, 1721290, 3114334, 7785835, 15571670, 66958181, 133916362, 334790905, 669581810]

約数ペア:

[(1, 669581810), (2, 334790905), (5, 133916362), (10, 66958181), (43, 15571670), (86, 7785835), (215, 3114334), (389, 1721290), (430, 1557167), (778, 860645), (1945, 344258), (3890, 172129), (4003, 167270), (8006, 83635), (16727, 40030), (20015, 33454)]