109165580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 233513280

約数和(自身を除く): 124347700

約数列:

[1, 2, 4, 5, 10, 20, 103, 197, 206, 269, 394, 412, 515, 538, 788, 985, 1030, 1076, 1345, 1970, 2060, 2690, 3940, 5380, 20291, 27707, 40582, 52993, 55414, 81164, 101455, 105986, 110828, 138535, 202910, 211972, 264965, 277070, 405820, 529930, 554140, 1059860, 5458279, 10916558, 21833116, 27291395, 54582790, 109165580]

約数ペア:

[(1, 109165580), (2, 54582790), (4, 27291395), (5, 21833116), (10, 10916558), (20, 5458279), (103, 1059860), (197, 554140), (206, 529930), (269, 405820), (394, 277070), (412, 264965), (515, 211972), (538, 202910), (788, 138535), (985, 110828), (1030, 105986), (1076, 101455), (1345, 81164), (1970, 55414), (2060, 52993), (2690, 40582), (3940, 27707), (5380, 20291)]