206564390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37489}}^1$

素因数の和:37544

約数の個数: 32

約数和(自身を含む): 404892000

約数和(自身を除く): 198327610

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 37489, 74978, 187445, 374890, 712291, 1087181, 1424582, 2174362, 3561455, 5435905, 7122910, 10871810, 20656439, 41312878, 103282195, 206564390]

約数ペア:

[(1, 206564390), (2, 103282195), (5, 41312878), (10, 20656439), (19, 10871810), (29, 7122910), (38, 5435905), (58, 3561455), (95, 2174362), (145, 1424582), (190, 1087181), (290, 712291), (551, 374890), (1102, 187445), (2755, 74978), (5510, 37489)]