217869820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{36191}}^1$

素因数の和:36250

約数の個数: 48

約数和(自身を含む): 535062528

約数和(自身を除く): 317192708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 36191, 72382, 144764, 180955, 253337, 361910, 506674, 723820, 1013348, 1266685, 1556213, 2533370, 3112426, 5066740, 6224852, 7781065, 10893491, 15562130, 21786982, 31124260, 43573964, 54467455, 108934910, 217869820]

約数ペア:

[(1, 217869820), (2, 108934910), (4, 54467455), (5, 43573964), (7, 31124260), (10, 21786982), (14, 15562130), (20, 10893491), (28, 7781065), (35, 6224852), (43, 5066740), (70, 3112426), (86, 2533370), (140, 1556213), (172, 1266685), (215, 1013348), (301, 723820), (430, 506674), (602, 361910), (860, 253337), (1204, 180955), (1505, 144764), (3010, 72382), (6020, 36191)]