17967565480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{60383}}^1$

素因数の和:60610

約数の個数: 64

約数和(自身を含む): 41606991360

約数和(自身を除く): 23639425880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 173, 215, 344, 346, 430, 692, 860, 865, 1384, 1720, 1730, 3460, 6920, 7439, 14878, 29756, 37195, 59512, 60383, 74390, 120766, 148780, 241532, 297560, 301915, 483064, 603830, 1207660, 2415320, 2596469, 5192938, 10385876, 10446259, 12982345, 20771752, 20892518, 25964690, 41785036, 51929380, 52231295, 83570072, 103858760, 104462590, 208925180, 417850360, 449189137, 898378274, 1796756548, 2245945685, 3593513096, 4491891370, 8983782740, 17967565480]

約数ペア:

[(1, 17967565480), (2, 8983782740), (4, 4491891370), (5, 3593513096), (8, 2245945685), (10, 1796756548), (20, 898378274), (40, 449189137), (43, 417850360), (86, 208925180), (172, 104462590), (173, 103858760), (215, 83570072), (344, 52231295), (346, 51929380), (430, 41785036), (692, 25964690), (860, 20892518), (865, 20771752), (1384, 12982345), (1720, 10446259), (1730, 10385876), (3460, 5192938), (6920, 2596469), (7439, 2415320), (14878, 1207660), (29756, 603830), (37195, 483064), (59512, 301915), (60383, 297560), (74390, 241532), (120766, 148780)]