154897720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{35527}}^1$

素因数の和:35647

約数の個数: 32

約数和(自身を含む): 351727200

約数和(自身を除く): 196829480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 35527, 71054, 142108, 177635, 284216, 355270, 710540, 1421080, 3872443, 7744886, 15489772, 19362215, 30979544, 38724430, 77448860, 154897720]

約数ペア:

[(1, 154897720), (2, 77448860), (4, 38724430), (5, 30979544), (8, 19362215), (10, 15489772), (20, 7744886), (40, 3872443), (109, 1421080), (218, 710540), (436, 355270), (545, 284216), (872, 177635), (1090, 142108), (2180, 71054), (4360, 35527)]