394867020160

素因数分解:

$2^7\times 5^1\times {\mathrm{643}}^1\times {\mathrm{959533}}^1$

素因数の和:960195

約数の個数: 64

約数和(自身を含む): 945448040880

約数和(自身を除く): 550581020720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 643, 1286, 2572, 3215, 5144, 6430, 10288, 12860, 20576, 25720, 41152, 51440, 82304, 102880, 205760, 411520, 959533, 1919066, 3838132, 4797665, 7676264, 9595330, 15352528, 19190660, 30705056, 38381320, 61410112, 76762640, 122820224, 153525280, 307050560, 614101120, 616979719, 1233959438, 2467918876, 3084898595, 4935837752, 6169797190, 9871675504, 12339594380, 19743351008, 24679188760, 39486702016, 49358377520, 78973404032, 98716755040, 197433510080, 394867020160]

約数ペア:

[(1, 394867020160), (2, 197433510080), (4, 98716755040), (5, 78973404032), (8, 49358377520), (10, 39486702016), (16, 24679188760), (20, 19743351008), (32, 12339594380), (40, 9871675504), (64, 6169797190), (80, 4935837752), (128, 3084898595), (160, 2467918876), (320, 1233959438), (640, 616979719), (643, 614101120), (1286, 307050560), (2572, 153525280), (3215, 122820224), (5144, 76762640), (6430, 61410112), (10288, 38381320), (12860, 30705056), (20576, 19190660), (25720, 15352528), (41152, 9595330), (51440, 7676264), (82304, 4797665), (102880, 3838132), (205760, 1919066), (411520, 959533)]