259498360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{1607}}^1$

素因数の和:1996

約数の個数: 64

約数和(自身を含む): 639083520

約数和(自身を除く): 379585160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 367, 440, 734, 1468, 1607, 1835, 2936, 3214, 3670, 4037, 6428, 7340, 8035, 8074, 12856, 14680, 16070, 16148, 17677, 20185, 32140, 32296, 35354, 40370, 64280, 70708, 80740, 88385, 141416, 161480, 176770, 353540, 589769, 707080, 1179538, 2359076, 2948845, 4718152, 5897690, 6487459, 11795380, 12974918, 23590760, 25949836, 32437295, 51899672, 64874590, 129749180, 259498360]

約数ペア:

[(1, 259498360), (2, 129749180), (4, 64874590), (5, 51899672), (8, 32437295), (10, 25949836), (11, 23590760), (20, 12974918), (22, 11795380), (40, 6487459), (44, 5897690), (55, 4718152), (88, 2948845), (110, 2359076), (220, 1179538), (367, 707080), (440, 589769), (734, 353540), (1468, 176770), (1607, 161480), (1835, 141416), (2936, 88385), (3214, 80740), (3670, 70708), (4037, 64280), (6428, 40370), (7340, 35354), (8035, 32296), (8074, 32140), (12856, 20185), (14680, 17677), (16070, 16148)]