890960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 80

約数和(自身を含む): 2487936

約数和(自身を除く): 1596976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 43, 56, 70, 74, 80, 86, 112, 140, 148, 172, 185, 215, 259, 280, 296, 301, 344, 370, 430, 518, 560, 592, 602, 688, 740, 860, 1036, 1204, 1295, 1480, 1505, 1591, 1720, 2072, 2408, 2590, 2960, 3010, 3182, 3440, 4144, 4816, 5180, 6020, 6364, 7955, 10360, 11137, 12040, 12728, 15910, 20720, 22274, 24080, 25456, 31820, 44548, 55685, 63640, 89096, 111370, 127280, 178192, 222740, 445480, 890960]

約数ペア:

[(1, 890960), (2, 445480), (4, 222740), (5, 178192), (7, 127280), (8, 111370), (10, 89096), (14, 63640), (16, 55685), (20, 44548), (28, 31820), (35, 25456), (37, 24080), (40, 22274), (43, 20720), (56, 15910), (70, 12728), (74, 12040), (80, 11137), (86, 10360), (112, 7955), (140, 6364), (148, 6020), (172, 5180), (185, 4816), (215, 4144), (259, 3440), (280, 3182), (296, 3010), (301, 2960), (344, 2590), (370, 2408), (430, 2072), (518, 1720), (560, 1591), (592, 1505), (602, 1480), (688, 1295), (740, 1204), (860, 1036)]