200853320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 461894400

約数和(自身を除く): 261041080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 197, 284, 355, 359, 394, 568, 710, 718, 788, 985, 1420, 1436, 1576, 1795, 1970, 2840, 2872, 3590, 3940, 7180, 7880, 13987, 14360, 25489, 27974, 50978, 55948, 69935, 70723, 101956, 111896, 127445, 139870, 141446, 203912, 254890, 279740, 282892, 353615, 509780, 559480, 565784, 707230, 1019560, 1414460, 2828920, 5021333, 10042666, 20085332, 25106665, 40170664, 50213330, 100426660, 200853320]

約数ペア:

[(1, 200853320), (2, 100426660), (4, 50213330), (5, 40170664), (8, 25106665), (10, 20085332), (20, 10042666), (40, 5021333), (71, 2828920), (142, 1414460), (197, 1019560), (284, 707230), (355, 565784), (359, 559480), (394, 509780), (568, 353615), (710, 282892), (718, 279740), (788, 254890), (985, 203912), (1420, 141446), (1436, 139870), (1576, 127445), (1795, 111896), (1970, 101956), (2840, 70723), (2872, 69935), (3590, 55948), (3940, 50978), (7180, 27974), (7880, 25489), (13987, 14360)]