209799520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9859}}^1$

素因数の和:9900

約数の個数: 96

約数和(自身を含む): 596332800

約数和(自身を除く): 386533280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 9859, 10640, 19718, 21280, 39436, 49295, 69013, 78872, 98590, 138026, 157744, 187321, 197180, 276052, 315488, 345065, 374642, 394360, 552104, 690130, 749284, 788720, 936605, 1104208, 1311247, 1380260, 1498568, 1577440, 1873210, 2208416, 2622494, 2760520, 2997136, 3746420, 5244988, 5521040, 5994272, 6556235, 7492840, 10489976, 11042080, 13112470, 14985680, 20979952, 26224940, 29971360, 41959904, 52449880, 104899760, 209799520]

約数ペア:

[(1, 209799520), (2, 104899760), (4, 52449880), (5, 41959904), (7, 29971360), (8, 26224940), (10, 20979952), (14, 14985680), (16, 13112470), (19, 11042080), (20, 10489976), (28, 7492840), (32, 6556235), (35, 5994272), (38, 5521040), (40, 5244988), (56, 3746420), (70, 2997136), (76, 2760520), (80, 2622494), (95, 2208416), (112, 1873210), (133, 1577440), (140, 1498568), (152, 1380260), (160, 1311247), (190, 1104208), (224, 936605), (266, 788720), (280, 749284), (304, 690130), (380, 552104), (532, 394360), (560, 374642), (608, 345065), (665, 315488), (760, 276052), (1064, 197180), (1120, 187321), (1330, 157744), (1520, 138026), (2128, 98590), (2660, 78872), (3040, 69013), (4256, 49295), (5320, 39436), (9859, 21280), (10640, 19718)]