42684740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{599}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 102816000

約数和(自身を除く): 60131260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 599, 1018, 1198, 2036, 2396, 2545, 2995, 3563, 4193, 5090, 5990, 7126, 8386, 10180, 11980, 14252, 16772, 17815, 20965, 35630, 41930, 71260, 83860, 304891, 609782, 1219564, 1524455, 2134237, 3048910, 4268474, 6097820, 8536948, 10671185, 21342370, 42684740]

約数ペア:

[(1, 42684740), (2, 21342370), (4, 10671185), (5, 8536948), (7, 6097820), (10, 4268474), (14, 3048910), (20, 2134237), (28, 1524455), (35, 1219564), (70, 609782), (140, 304891), (509, 83860), (599, 71260), (1018, 41930), (1198, 35630), (2036, 20965), (2396, 17815), (2545, 16772), (2995, 14252), (3563, 11980), (4193, 10180), (5090, 8386), (5990, 7126)]