210316520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{309289}}^1$

素因数の和:309317

約数の個数: 32

約数和(自身を含む): 501049800

約数和(自身を除く): 290733280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 309289, 618578, 1237156, 1546445, 2474312, 3092890, 5257913, 6185780, 10515826, 12371560, 21031652, 26289565, 42063304, 52579130, 105158260, 210316520]

約数ペア:

[(1, 210316520), (2, 105158260), (4, 52579130), (5, 42063304), (8, 26289565), (10, 21031652), (17, 12371560), (20, 10515826), (34, 6185780), (40, 5257913), (68, 3092890), (85, 2474312), (136, 1546445), (170, 1237156), (340, 618578), (680, 309289)]