42731270

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 78408000

約数和(自身を除く): 35676730

約数列:

[1, 2, 5, 10, 109, 197, 199, 218, 394, 398, 545, 985, 995, 1090, 1970, 1990, 21473, 21691, 39203, 42946, 43382, 78406, 107365, 108455, 196015, 214730, 216910, 392030, 4273127, 8546254, 21365635, 42731270]

約数ペア:

[(1, 42731270), (2, 21365635), (5, 8546254), (10, 4273127), (109, 392030), (197, 216910), (199, 214730), (218, 196015), (394, 108455), (398, 107365), (545, 78406), (985, 43382), (995, 42946), (1090, 39203), (1970, 21691), (1990, 21473)]