490792010

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{249133}}^1$

素因数の和:249337

約数の個数: 16

約数和(自身を含む): 887913576

約数和(自身を除く): 397121566

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 249133, 498266, 1245665, 2491330, 49079201, 98158402, 245396005, 490792010]

約数ペア:

[(1, 490792010), (2, 245396005), (5, 98158402), (10, 49079201), (197, 2491330), (394, 1245665), (985, 498266), (1970, 249133)]