777518870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{5503}}^1$

素因数の和:5780

約数の個数: 32

約数和(自身を含む): 1426636800

約数和(自身を除く): 649117930

約数列:

[1, 2, 5, 10, 71, 142, 199, 355, 398, 710, 995, 1990, 5503, 11006, 14129, 27515, 28258, 55030, 70645, 141290, 390713, 781426, 1095097, 1953565, 2190194, 3907130, 5475485, 10950970, 77751887, 155503774, 388759435, 777518870]

約数ペア:

[(1, 777518870), (2, 388759435), (5, 155503774), (10, 77751887), (71, 10950970), (142, 5475485), (199, 3907130), (355, 2190194), (398, 1953565), (710, 1095097), (995, 781426), (1990, 390713), (5503, 141290), (11006, 70645), (14129, 55030), (27515, 28258)]