248437720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{281}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 604856160

約数和(自身を除く): 356418440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 281, 310, 460, 562, 620, 713, 920, 961, 1124, 1240, 1405, 1426, 1922, 2248, 2810, 2852, 3565, 3844, 4805, 5620, 5704, 6463, 7130, 7688, 8711, 9610, 11240, 12926, 14260, 17422, 19220, 22103, 25852, 28520, 32315, 34844, 38440, 43555, 44206, 51704, 64630, 69688, 87110, 88412, 110515, 129260, 174220, 176824, 200353, 221030, 258520, 270041, 348440, 400706, 442060, 540082, 801412, 884120, 1001765, 1080164, 1350205, 1602824, 2003530, 2160328, 2700410, 4007060, 5400820, 6210943, 8014120, 10801640, 12421886, 24843772, 31054715, 49687544, 62109430, 124218860, 248437720]

約数ペア:

[(1, 248437720), (2, 124218860), (4, 62109430), (5, 49687544), (8, 31054715), (10, 24843772), (20, 12421886), (23, 10801640), (31, 8014120), (40, 6210943), (46, 5400820), (62, 4007060), (92, 2700410), (115, 2160328), (124, 2003530), (155, 1602824), (184, 1350205), (230, 1080164), (248, 1001765), (281, 884120), (310, 801412), (460, 540082), (562, 442060), (620, 400706), (713, 348440), (920, 270041), (961, 258520), (1124, 221030), (1240, 200353), (1405, 176824), (1426, 174220), (1922, 129260), (2248, 110515), (2810, 88412), (2852, 87110), (3565, 69688), (3844, 64630), (4805, 51704), (5620, 44206), (5704, 43555), (6463, 38440), (7130, 34844), (7688, 32315), (8711, 28520), (9610, 25852), (11240, 22103), (12926, 19220), (14260, 17422)]