207865450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1831

約数の個数: 48

約数和(自身を含む): 418723200

約数和(自身を除く): 210857750

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 199, 325, 398, 650, 995, 1607, 1990, 2587, 3214, 4975, 5174, 8035, 9950, 12935, 16070, 20891, 25870, 40175, 41782, 64675, 80350, 104455, 129350, 208910, 319793, 522275, 639586, 1044550, 1598965, 3197930, 4157309, 7994825, 8314618, 15989650, 20786545, 41573090, 103932725, 207865450]

約数ペア:

[(1, 207865450), (2, 103932725), (5, 41573090), (10, 20786545), (13, 15989650), (25, 8314618), (26, 7994825), (50, 4157309), (65, 3197930), (130, 1598965), (199, 1044550), (325, 639586), (398, 522275), (650, 319793), (995, 208910), (1607, 129350), (1990, 104455), (2587, 80350), (3214, 64675), (4975, 41782), (5174, 40175), (8035, 25870), (9950, 20891), (12935, 16070)]