276443720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{987299}}^1$

素因数の和:987317

約数の個数: 32

約数和(自身を含む): 710856000

約数和(自身を除く): 434412280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 987299, 1974598, 3949196, 4936495, 6911093, 7898392, 9872990, 13822186, 19745980, 27644372, 34555465, 39491960, 55288744, 69110930, 138221860, 276443720]

約数ペア:

[(1, 276443720), (2, 138221860), (4, 69110930), (5, 55288744), (7, 39491960), (8, 34555465), (10, 27644372), (14, 19745980), (20, 13822186), (28, 9872990), (35, 7898392), (40, 6911093), (56, 4936495), (70, 3949196), (140, 1974598), (280, 987299)]