4145180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 9525600

約数和(自身を除く): 5380420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 149, 214, 260, 298, 428, 535, 596, 745, 1070, 1391, 1490, 1937, 2140, 2782, 2980, 3874, 5564, 6955, 7748, 9685, 13910, 15943, 19370, 27820, 31886, 38740, 63772, 79715, 159430, 207259, 318860, 414518, 829036, 1036295, 2072590, 4145180]

約数ペア:

[(1, 4145180), (2, 2072590), (4, 1036295), (5, 829036), (10, 414518), (13, 318860), (20, 207259), (26, 159430), (52, 79715), (65, 63772), (107, 38740), (130, 31886), (149, 27820), (214, 19370), (260, 15943), (298, 13910), (428, 9685), (535, 7748), (596, 6955), (745, 5564), (1070, 3874), (1391, 2980), (1490, 2782), (1937, 2140)]