205807890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{159541}}^1$

素因数の和:159594

約数の個数: 32

約数和(自身を含む): 505429056

約数和(自身を除く): 299621166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 159541, 319082, 478623, 797705, 957246, 1595410, 2393115, 4786230, 6860263, 13720526, 20580789, 34301315, 41161578, 68602630, 102903945, 205807890]

約数ペア:

[(1, 205807890), (2, 102903945), (3, 68602630), (5, 41161578), (6, 34301315), (10, 20580789), (15, 13720526), (30, 6860263), (43, 4786230), (86, 2393115), (129, 1595410), (215, 957246), (258, 797705), (430, 478623), (645, 319082), (1290, 159541)]