2019500200

素因数分解:

$2^3\times 5^2\times {\mathrm{521}}^1\times {\mathrm{19381}}^1$

素因数の和:19918

約数の個数: 48

約数和(自身を含む): 4704592860

約数和(自身を除く): 2685092660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 521, 1042, 2084, 2605, 4168, 5210, 10420, 13025, 19381, 20840, 26050, 38762, 52100, 77524, 96905, 104200, 155048, 193810, 387620, 484525, 775240, 969050, 1938100, 3876200, 10097501, 20195002, 40390004, 50487505, 80780008, 100975010, 201950020, 252437525, 403900040, 504875050, 1009750100, 2019500200]

約数ペア:

[(1, 2019500200), (2, 1009750100), (4, 504875050), (5, 403900040), (8, 252437525), (10, 201950020), (20, 100975010), (25, 80780008), (40, 50487505), (50, 40390004), (100, 20195002), (200, 10097501), (521, 3876200), (1042, 1938100), (2084, 969050), (2605, 775240), (4168, 484525), (5210, 387620), (10420, 193810), (13025, 155048), (19381, 104200), (20840, 96905), (26050, 77524), (38762, 52100)]