984305920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 2562562800

約数和(自身を除く): 1578256880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 149, 160, 208, 256, 260, 298, 320, 397, 416, 520, 596, 640, 745, 794, 832, 1040, 1192, 1280, 1490, 1588, 1664, 1937, 1985, 2080, 2384, 2980, 3176, 3328, 3874, 3970, 4160, 4768, 5161, 5960, 6352, 7748, 7940, 8320, 9536, 9685, 10322, 11920, 12704, 15496, 15880, 16640, 19072, 19370, 20644, 23840, 25408, 25805, 30992, 31760, 38144, 38740, 41288, 47680, 50816, 51610, 59153, 61984, 63520, 77480, 82576, 95360, 101632, 103220, 118306, 123968, 127040, 154960, 165152, 190720, 206440, 236612, 247936, 254080, 295765, 309920, 330304, 412880, 473224, 495872, 508160, 591530, 619840, 660608, 768989, 825760, 946448, 1183060, 1239680, 1321216, 1537978, 1651520, 1892896, 2366120, 2479360, 3075956, 3303040, 3785792, 3844945, 4732240, 6151912, 6606080, 7571584, 7689890, 9464480, 12303824, 15143168, 15379780, 18928960, 24607648, 30759560, 37857920, 49215296, 61519120, 75715840, 98430592, 123038240, 196861184, 246076480, 492152960, 984305920]

約数ペア:

[(1, 984305920), (2, 492152960), (4, 246076480), (5, 196861184), (8, 123038240), (10, 98430592), (13, 75715840), (16, 61519120), (20, 49215296), (26, 37857920), (32, 30759560), (40, 24607648), (52, 18928960), (64, 15379780), (65, 15143168), (80, 12303824), (104, 9464480), (128, 7689890), (130, 7571584), (149, 6606080), (160, 6151912), (208, 4732240), (256, 3844945), (260, 3785792), (298, 3303040), (320, 3075956), (397, 2479360), (416, 2366120), (520, 1892896), (596, 1651520), (640, 1537978), (745, 1321216), (794, 1239680), (832, 1183060), (1040, 946448), (1192, 825760), (1280, 768989), (1490, 660608), (1588, 619840), (1664, 591530), (1937, 508160), (1985, 495872), (2080, 473224), (2384, 412880), (2980, 330304), (3176, 309920), (3328, 295765), (3874, 254080), (3970, 247936), (4160, 236612), (4768, 206440), (5161, 190720), (5960, 165152), (6352, 154960), (7748, 127040), (7940, 123968), (8320, 118306), (9536, 103220), (9685, 101632), (10322, 95360), (11920, 82576), (12704, 77480), (15496, 63520), (15880, 61984), (16640, 59153), (19072, 51610), (19370, 50816), (20644, 47680), (23840, 41288), (25408, 38740), (25805, 38144), (30992, 31760)]