1243131190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1117

約数の個数: 64

約数和(自身を含む): 2604026880

約数和(自身を除く): 1360895690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 389, 497, 643, 710, 778, 994, 1286, 1945, 2485, 2723, 3215, 3890, 4501, 4970, 5446, 6430, 9002, 13615, 22505, 27230, 27619, 45010, 45653, 55238, 91306, 138095, 193333, 228265, 250127, 276190, 319571, 386666, 456530, 500254, 639142, 966665, 1250635, 1597855, 1750889, 1933330, 2501270, 3195710, 3501778, 8754445, 17508890, 17759017, 35518034, 88795085, 124313119, 177590170, 248626238, 621565595, 1243131190]

約数ペア:

[(1, 1243131190), (2, 621565595), (5, 248626238), (7, 177590170), (10, 124313119), (14, 88795085), (35, 35518034), (70, 17759017), (71, 17508890), (142, 8754445), (355, 3501778), (389, 3195710), (497, 2501270), (643, 1933330), (710, 1750889), (778, 1597855), (994, 1250635), (1286, 966665), (1945, 639142), (2485, 500254), (2723, 456530), (3215, 386666), (3890, 319571), (4501, 276190), (4970, 250127), (5446, 228265), (6430, 193333), (9002, 138095), (13615, 91306), (22505, 55238), (27230, 45653), (27619, 45010)]