242568620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{247519}}^1$

素因数の和:247542

約数の個数: 36

約数和(自身を含む): 592562880

約数和(自身を除く): 349994260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 247519, 495038, 990076, 1237595, 1732633, 2475190, 3465266, 4950380, 6930532, 8663165, 12128431, 17326330, 24256862, 34652660, 48513724, 60642155, 121284310, 242568620]

約数ペア:

[(1, 242568620), (2, 121284310), (4, 60642155), (5, 48513724), (7, 34652660), (10, 24256862), (14, 17326330), (20, 12128431), (28, 8663165), (35, 6930532), (49, 4950380), (70, 3465266), (98, 2475190), (140, 1732633), (196, 1237595), (245, 990076), (490, 495038), (980, 247519)]