788399920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1139

約数の個数: 160

約数和(自身を含む): 2305138176

約数和(自身を除く): 1516738256

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 131, 140, 154, 176, 220, 262, 280, 308, 385, 440, 524, 560, 616, 655, 770, 880, 917, 977, 1048, 1232, 1310, 1441, 1540, 1834, 1954, 2096, 2620, 2882, 3080, 3668, 3908, 4585, 4885, 5240, 5764, 6160, 6839, 7205, 7336, 7816, 9170, 9770, 10087, 10480, 10747, 11528, 13678, 14410, 14672, 15632, 18340, 19540, 20174, 21494, 23056, 27356, 28820, 34195, 36680, 39080, 40348, 42988, 50435, 53735, 54712, 57640, 68390, 73360, 75229, 78160, 80696, 85976, 100870, 107470, 109424, 115280, 127987, 136780, 150458, 161392, 171952, 201740, 214940, 255974, 273560, 300916, 376145, 403480, 429880, 511948, 547120, 601832, 639935, 752290, 806960, 859760, 895909, 1023896, 1203664, 1279870, 1407857, 1504580, 1791818, 2047792, 2559740, 2815714, 3009160, 3583636, 4479545, 5119480, 5631428, 6018320, 7039285, 7167272, 8959090, 9854999, 10238960, 11262856, 14078570, 14334544, 17918180, 19709998, 22525712, 28157140, 35836360, 39419996, 49274995, 56314280, 71672720, 78839992, 98549990, 112628560, 157679984, 197099980, 394199960, 788399920]

約数ペア:

[(1, 788399920), (2, 394199960), (4, 197099980), (5, 157679984), (7, 112628560), (8, 98549990), (10, 78839992), (11, 71672720), (14, 56314280), (16, 49274995), (20, 39419996), (22, 35836360), (28, 28157140), (35, 22525712), (40, 19709998), (44, 17918180), (55, 14334544), (56, 14078570), (70, 11262856), (77, 10238960), (80, 9854999), (88, 8959090), (110, 7167272), (112, 7039285), (131, 6018320), (140, 5631428), (154, 5119480), (176, 4479545), (220, 3583636), (262, 3009160), (280, 2815714), (308, 2559740), (385, 2047792), (440, 1791818), (524, 1504580), (560, 1407857), (616, 1279870), (655, 1203664), (770, 1023896), (880, 895909), (917, 859760), (977, 806960), (1048, 752290), (1232, 639935), (1310, 601832), (1441, 547120), (1540, 511948), (1834, 429880), (1954, 403480), (2096, 376145), (2620, 300916), (2882, 273560), (3080, 255974), (3668, 214940), (3908, 201740), (4585, 171952), (4885, 161392), (5240, 150458), (5764, 136780), (6160, 127987), (6839, 115280), (7205, 109424), (7336, 107470), (7816, 100870), (9170, 85976), (9770, 80696), (10087, 78160), (10480, 75229), (10747, 73360), (11528, 68390), (13678, 57640), (14410, 54712), (14672, 53735), (15632, 50435), (18340, 42988), (19540, 40348), (20174, 39080), (21494, 36680), (23056, 34195), (27356, 28820)]