201321674500

素因数分解:

$2^2\times 5^3\times {\mathrm{20959}}^1\times {\mathrm{19211}}^1$

素因数の和:40189

約数の個数: 48

約数和(自身を含む): 439730403840

約数和(自身を除く): 238408729340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 19211, 20959, 38422, 41918, 76844, 83836, 96055, 104795, 192110, 209590, 384220, 419180, 480275, 523975, 960550, 1047950, 1921100, 2095900, 2401375, 2619875, 4802750, 5239750, 9605500, 10479500, 402643349, 805286698, 1610573396, 2013216745, 4026433490, 8052866980, 10066083725, 20132167450, 40264334900, 50330418625, 100660837250, 201321674500]

約数ペア:

[(1, 201321674500), (2, 100660837250), (4, 50330418625), (5, 40264334900), (10, 20132167450), (20, 10066083725), (25, 8052866980), (50, 4026433490), (100, 2013216745), (125, 1610573396), (250, 805286698), (500, 402643349), (19211, 10479500), (20959, 9605500), (38422, 5239750), (41918, 4802750), (76844, 2619875), (83836, 2401375), (96055, 2095900), (104795, 1921100), (192110, 1047950), (209590, 960550), (384220, 523975), (419180, 480275)]