199235440

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{16493}}^1$

素因数の和:16657

約数の個数: 40

約数和(自身を含む): 466318368

約数和(自身を除く): 267082928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 16493, 32986, 65972, 82465, 131944, 164930, 263888, 329860, 659720, 1319440, 2490443, 4980886, 9961772, 12452215, 19923544, 24904430, 39847088, 49808860, 99617720, 199235440]

約数ペア:

[(1, 199235440), (2, 99617720), (4, 49808860), (5, 39847088), (8, 24904430), (10, 19923544), (16, 12452215), (20, 9961772), (40, 4980886), (80, 2490443), (151, 1319440), (302, 659720), (604, 329860), (755, 263888), (1208, 164930), (1510, 131944), (2416, 82465), (3020, 65972), (6040, 32986), (12080, 16493)]