207943060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4019}}^1$

素因数の和:4240

約数の個数: 48

約数和(自身を含む): 472752000

約数和(自身を除く): 264808940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 4019, 5174, 8038, 10348, 12935, 16076, 20095, 25870, 40190, 51740, 52247, 80380, 104494, 208988, 261235, 522470, 799781, 1044940, 1599562, 3199124, 3998905, 7997810, 10397153, 15995620, 20794306, 41588612, 51985765, 103971530, 207943060]

約数ペア:

[(1, 207943060), (2, 103971530), (4, 51985765), (5, 41588612), (10, 20794306), (13, 15995620), (20, 10397153), (26, 7997810), (52, 3998905), (65, 3199124), (130, 1599562), (199, 1044940), (260, 799781), (398, 522470), (796, 261235), (995, 208988), (1990, 104494), (2587, 80380), (3980, 52247), (4019, 51740), (5174, 40190), (8038, 25870), (10348, 20095), (12935, 16076)]