214738520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{52121}}^1$

素因数の和:52235

約数の個数: 32

約数和(自身を含む): 487861920

約数和(自身を除く): 273123400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 52121, 104242, 208484, 260605, 416968, 521210, 1042420, 2084840, 5368463, 10736926, 21473852, 26842315, 42947704, 53684630, 107369260, 214738520]

約数ペア:

[(1, 214738520), (2, 107369260), (4, 53684630), (5, 42947704), (8, 26842315), (10, 21473852), (20, 10736926), (40, 5368463), (103, 2084840), (206, 1042420), (412, 521210), (515, 416968), (824, 260605), (1030, 208484), (2060, 104242), (4120, 52121)]