817367740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157793}}^1$

素因数の和:157846

約数の個数: 48

約数和(自身を含む): 2014713792

約数和(自身を除く): 1197346052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 157793, 315586, 631172, 788965, 1104551, 1577930, 2209102, 3155860, 4418204, 5522755, 5838341, 11045510, 11676682, 22091020, 23353364, 29191705, 40868387, 58383410, 81736774, 116766820, 163473548, 204341935, 408683870, 817367740]

約数ペア:

[(1, 817367740), (2, 408683870), (4, 204341935), (5, 163473548), (7, 116766820), (10, 81736774), (14, 58383410), (20, 40868387), (28, 29191705), (35, 23353364), (37, 22091020), (70, 11676682), (74, 11045510), (140, 5838341), (148, 5522755), (185, 4418204), (259, 3155860), (370, 2209102), (518, 1577930), (740, 1104551), (1036, 788965), (1295, 631172), (2590, 315586), (5180, 157793)]