386400640

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 128

約数和(自身を含む): 969408000

約数和(自身を除く): 583007360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 109, 116, 128, 145, 160, 191, 218, 232, 290, 320, 382, 436, 464, 545, 580, 640, 764, 872, 928, 955, 1090, 1160, 1528, 1744, 1856, 1910, 2180, 2320, 3056, 3161, 3488, 3712, 3820, 4360, 4640, 5539, 6112, 6322, 6976, 7640, 8720, 9280, 11078, 12224, 12644, 13952, 15280, 15805, 17440, 18560, 20819, 22156, 24448, 25288, 27695, 30560, 31610, 34880, 41638, 44312, 50576, 55390, 61120, 63220, 69760, 83276, 88624, 101152, 104095, 110780, 122240, 126440, 166552, 177248, 202304, 208190, 221560, 252880, 333104, 354496, 404608, 416380, 443120, 505760, 603751, 666208, 708992, 832760, 886240, 1011520, 1207502, 1332416, 1665520, 1772480, 2023040, 2415004, 2664832, 3018755, 3331040, 3544960, 4830008, 6037510, 6662080, 9660016, 12075020, 13324160, 19320032, 24150040, 38640064, 48300080, 77280128, 96600160, 193200320, 386400640]

約数ペア:

[(1, 386400640), (2, 193200320), (4, 96600160), (5, 77280128), (8, 48300080), (10, 38640064), (16, 24150040), (20, 19320032), (29, 13324160), (32, 12075020), (40, 9660016), (58, 6662080), (64, 6037510), (80, 4830008), (109, 3544960), (116, 3331040), (128, 3018755), (145, 2664832), (160, 2415004), (191, 2023040), (218, 1772480), (232, 1665520), (290, 1332416), (320, 1207502), (382, 1011520), (436, 886240), (464, 832760), (545, 708992), (580, 666208), (640, 603751), (764, 505760), (872, 443120), (928, 416380), (955, 404608), (1090, 354496), (1160, 333104), (1528, 252880), (1744, 221560), (1856, 208190), (1910, 202304), (2180, 177248), (2320, 166552), (3056, 126440), (3161, 122240), (3488, 110780), (3712, 104095), (3820, 101152), (4360, 88624), (4640, 83276), (5539, 69760), (6112, 63220), (6322, 61120), (6976, 55390), (7640, 50576), (8720, 44312), (9280, 41638), (11078, 34880), (12224, 31610), (12644, 30560), (13952, 27695), (15280, 25288), (15805, 24448), (17440, 22156), (18560, 20819)]