2784534520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{373}}^1\times {\mathrm{967}}^1$

素因数の和:1544

約数の個数: 64

約数和(自身を含む): 6321078720

約数和(自身を除く): 3536544200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 373, 386, 746, 772, 965, 967, 1492, 1544, 1865, 1930, 1934, 2984, 3730, 3860, 3868, 4835, 7460, 7720, 7736, 9670, 14920, 19340, 38680, 71989, 143978, 186631, 287956, 359945, 360691, 373262, 575912, 719890, 721382, 746524, 933155, 1439780, 1442764, 1493048, 1803455, 1866310, 2879560, 2885528, 3606910, 3732620, 7213820, 7465240, 14427640, 69613363, 139226726, 278453452, 348066815, 556906904, 696133630, 1392267260, 2784534520]

約数ペア:

[(1, 2784534520), (2, 1392267260), (4, 696133630), (5, 556906904), (8, 348066815), (10, 278453452), (20, 139226726), (40, 69613363), (193, 14427640), (373, 7465240), (386, 7213820), (746, 3732620), (772, 3606910), (965, 2885528), (967, 2879560), (1492, 1866310), (1544, 1803455), (1865, 1493048), (1930, 1442764), (1934, 1439780), (2984, 933155), (3730, 746524), (3860, 721382), (3868, 719890), (4835, 575912), (7460, 373262), (7720, 360691), (7736, 359945), (9670, 287956), (14920, 186631), (19340, 143978), (38680, 71989)]