200960990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{2003}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 369377280

約数和(自身を除く): 168416290

約数列:

[1, 2, 5, 10, 79, 127, 158, 254, 395, 635, 790, 1270, 2003, 4006, 10015, 10033, 20030, 20066, 50165, 100330, 158237, 254381, 316474, 508762, 791185, 1271905, 1582370, 2543810, 20096099, 40192198, 100480495, 200960990]

約数ペア:

[(1, 200960990), (2, 100480495), (5, 40192198), (10, 20096099), (79, 2543810), (127, 1582370), (158, 1271905), (254, 791185), (395, 508762), (635, 316474), (790, 254381), (1270, 158237), (2003, 100330), (4006, 50165), (10015, 20066), (10033, 20030)]