137983720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{492799}}^1$

素因数の和:492817

約数の個数: 32

約数和(自身を含む): 354816000

約数和(自身を除く): 216832280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 492799, 985598, 1971196, 2463995, 3449593, 3942392, 4927990, 6899186, 9855980, 13798372, 17247965, 19711960, 27596744, 34495930, 68991860, 137983720]

約数ペア:

[(1, 137983720), (2, 68991860), (4, 34495930), (5, 27596744), (7, 19711960), (8, 17247965), (10, 13798372), (14, 9855980), (20, 6899186), (28, 4927990), (35, 3942392), (40, 3449593), (56, 2463995), (70, 1971196), (140, 985598), (280, 492799)]