30657940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7703}}^1$

素因数の和:7911

約数の個数: 24

約数和(自身を含む): 64713600

約数和(自身を除く): 34055660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 7703, 15406, 30812, 38515, 77030, 154060, 1532897, 3065794, 6131588, 7664485, 15328970, 30657940]

約数ペア:

[(1, 30657940), (2, 15328970), (4, 7664485), (5, 6131588), (10, 3065794), (20, 1532897), (199, 154060), (398, 77030), (796, 38515), (995, 30812), (1990, 15406), (3980, 7703)]