203661440

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1427}}^1$

素因数の和:1669

約数の個数: 64

約数和(自身を含む): 489404160

約数和(自身を除く): 285742720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 892, 1115, 1427, 1784, 2230, 2854, 3568, 4460, 5708, 7135, 7136, 8920, 11416, 14270, 14272, 17840, 22832, 28540, 28544, 35680, 45664, 57080, 71360, 91328, 114160, 142720, 182656, 228320, 318221, 456640, 636442, 913280, 1272884, 1591105, 2545768, 3182210, 5091536, 6364420, 10183072, 12728840, 20366144, 25457680, 40732288, 50915360, 101830720, 203661440]

約数ペア:

[(1, 203661440), (2, 101830720), (4, 50915360), (5, 40732288), (8, 25457680), (10, 20366144), (16, 12728840), (20, 10183072), (32, 6364420), (40, 5091536), (64, 3182210), (80, 2545768), (128, 1591105), (160, 1272884), (223, 913280), (320, 636442), (446, 456640), (640, 318221), (892, 228320), (1115, 182656), (1427, 142720), (1784, 114160), (2230, 91328), (2854, 71360), (3568, 57080), (4460, 45664), (5708, 35680), (7135, 28544), (7136, 28540), (8920, 22832), (11416, 17840), (14270, 14272)]