268510700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 595795200

約数和(自身を除く): 327284500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 131, 199, 206, 262, 398, 412, 515, 524, 655, 796, 995, 1030, 1310, 1990, 2060, 2575, 2620, 3275, 3980, 4975, 5150, 6550, 9950, 10300, 13100, 13493, 19900, 20497, 26069, 26986, 40994, 52138, 53972, 67465, 81988, 102485, 104276, 130345, 134930, 204970, 260690, 269860, 337325, 409940, 512425, 521380, 651725, 674650, 1024850, 1303450, 1349300, 2049700, 2606900, 2685107, 5370214, 10740428, 13425535, 26851070, 53702140, 67127675, 134255350, 268510700]

約数ペア:

[(1, 268510700), (2, 134255350), (4, 67127675), (5, 53702140), (10, 26851070), (20, 13425535), (25, 10740428), (50, 5370214), (100, 2685107), (103, 2606900), (131, 2049700), (199, 1349300), (206, 1303450), (262, 1024850), (398, 674650), (412, 651725), (515, 521380), (524, 512425), (655, 409940), (796, 337325), (995, 269860), (1030, 260690), (1310, 204970), (1990, 134930), (2060, 130345), (2575, 104276), (2620, 102485), (3275, 81988), (3980, 67465), (4975, 53972), (5150, 52138), (6550, 40994), (9950, 26986), (10300, 26069), (13100, 20497), (13493, 19900)]