8889882680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{2803}}^1$

素因数の和:3109

約数の個数: 128

約数和(自身を含む): 23451310080

約数和(自身を除く): 14561427400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 241, 280, 329, 376, 470, 482, 658, 940, 964, 1205, 1316, 1645, 1687, 1880, 1928, 2410, 2632, 2803, 3290, 3374, 4820, 5606, 6580, 6748, 8435, 9640, 11212, 11327, 13160, 13496, 14015, 16870, 19621, 22424, 22654, 28030, 33740, 39242, 45308, 56060, 56635, 67480, 78484, 79289, 90616, 98105, 112120, 113270, 131741, 156968, 158578, 196210, 226540, 263482, 317156, 392420, 396445, 453080, 526964, 634312, 658705, 675523, 784840, 792890, 922187, 1053928, 1317410, 1351046, 1585780, 1844374, 2634820, 2702092, 3171560, 3377615, 3688748, 4610935, 4728661, 5269640, 5404184, 6755230, 7377496, 9221870, 9457322, 13510460, 18443740, 18914644, 23643305, 27020920, 31749581, 36887480, 37829288, 47286610, 63499162, 94573220, 126998324, 158747905, 189146440, 222247067, 253996648, 317495810, 444494134, 634991620, 888988268, 1111235335, 1269983240, 1777976536, 2222470670, 4444941340, 8889882680]

約数ペア:

[(1, 8889882680), (2, 4444941340), (4, 2222470670), (5, 1777976536), (7, 1269983240), (8, 1111235335), (10, 888988268), (14, 634991620), (20, 444494134), (28, 317495810), (35, 253996648), (40, 222247067), (47, 189146440), (56, 158747905), (70, 126998324), (94, 94573220), (140, 63499162), (188, 47286610), (235, 37829288), (241, 36887480), (280, 31749581), (329, 27020920), (376, 23643305), (470, 18914644), (482, 18443740), (658, 13510460), (940, 9457322), (964, 9221870), (1205, 7377496), (1316, 6755230), (1645, 5404184), (1687, 5269640), (1880, 4728661), (1928, 4610935), (2410, 3688748), (2632, 3377615), (2803, 3171560), (3290, 2702092), (3374, 2634820), (4820, 1844374), (5606, 1585780), (6580, 1351046), (6748, 1317410), (8435, 1053928), (9640, 922187), (11212, 792890), (11327, 784840), (13160, 675523), (13496, 658705), (14015, 634312), (16870, 526964), (19621, 453080), (22424, 396445), (22654, 392420), (28030, 317156), (33740, 263482), (39242, 226540), (45308, 196210), (56060, 158578), (56635, 156968), (67480, 131741), (78484, 113270), (79289, 112120), (90616, 98105)]