204598540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 438177600

約数和(自身を除く): 233579060

約数列:

[1, 2, 4, 5, 10, 20, 89, 137, 178, 274, 356, 445, 548, 685, 839, 890, 1370, 1678, 1780, 2740, 3356, 4195, 8390, 12193, 16780, 24386, 48772, 60965, 74671, 114943, 121930, 149342, 229886, 243860, 298684, 373355, 459772, 574715, 746710, 1149430, 1493420, 2298860, 10229927, 20459854, 40919708, 51149635, 102299270, 204598540]

約数ペア:

[(1, 204598540), (2, 102299270), (4, 51149635), (5, 40919708), (10, 20459854), (20, 10229927), (89, 2298860), (137, 1493420), (178, 1149430), (274, 746710), (356, 574715), (445, 459772), (548, 373355), (685, 298684), (839, 243860), (890, 229886), (1370, 149342), (1678, 121930), (1780, 114943), (2740, 74671), (3356, 60965), (4195, 48772), (8390, 24386), (12193, 16780)]