890377720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 2215771200

約数和(自身を除く): 1325393480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 163, 170, 232, 277, 290, 326, 340, 493, 554, 580, 652, 680, 815, 986, 1108, 1160, 1304, 1385, 1630, 1972, 2216, 2465, 2770, 2771, 3260, 3944, 4709, 4727, 4930, 5540, 5542, 6520, 8033, 9418, 9454, 9860, 11080, 11084, 13855, 16066, 18836, 18908, 19720, 22168, 23545, 23635, 27710, 32132, 37672, 37816, 40165, 45151, 47090, 47270, 55420, 64264, 80330, 80359, 90302, 94180, 94540, 110840, 136561, 160660, 160718, 180604, 188360, 189080, 225755, 273122, 321320, 321436, 361208, 401795, 451510, 546244, 642872, 682805, 767567, 803590, 903020, 1092488, 1309379, 1365610, 1535134, 1607180, 1806040, 2618758, 2731220, 3070268, 3214360, 3837835, 5237516, 5462440, 6140536, 6546895, 7675670, 10475032, 13093790, 15351340, 22259443, 26187580, 30702680, 44518886, 52375160, 89037772, 111297215, 178075544, 222594430, 445188860, 890377720]

約数ペア:

[(1, 890377720), (2, 445188860), (4, 222594430), (5, 178075544), (8, 111297215), (10, 89037772), (17, 52375160), (20, 44518886), (29, 30702680), (34, 26187580), (40, 22259443), (58, 15351340), (68, 13093790), (85, 10475032), (116, 7675670), (136, 6546895), (145, 6140536), (163, 5462440), (170, 5237516), (232, 3837835), (277, 3214360), (290, 3070268), (326, 2731220), (340, 2618758), (493, 1806040), (554, 1607180), (580, 1535134), (652, 1365610), (680, 1309379), (815, 1092488), (986, 903020), (1108, 803590), (1160, 767567), (1304, 682805), (1385, 642872), (1630, 546244), (1972, 451510), (2216, 401795), (2465, 361208), (2770, 321436), (2771, 321320), (3260, 273122), (3944, 225755), (4709, 189080), (4727, 188360), (4930, 180604), (5540, 160718), (5542, 160660), (6520, 136561), (8033, 110840), (9418, 94540), (9454, 94180), (9860, 90302), (11080, 80359), (11084, 80330), (13855, 64264), (16066, 55420), (18836, 47270), (18908, 47090), (19720, 45151), (22168, 40165), (23545, 37816), (23635, 37672), (27710, 32132)]