227898280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{132499}}^1$

素因数の和:132553

約数の個数: 32

約数和(自身を含む): 524700000

約数和(自身を除く): 296801720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 132499, 264998, 529996, 662495, 1059992, 1324990, 2649980, 5299960, 5697457, 11394914, 22789828, 28487285, 45579656, 56974570, 113949140, 227898280]

約数ペア:

[(1, 227898280), (2, 113949140), (4, 56974570), (5, 45579656), (8, 28487285), (10, 22789828), (20, 11394914), (40, 5697457), (43, 5299960), (86, 2649980), (172, 1324990), (215, 1059992), (344, 662495), (430, 529996), (860, 264998), (1720, 132499)]