4991139500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{322009}}^1$

素因数の和:322059

約数の個数: 48

約数和(自身を含む): 11252317440

約数和(自身を除く): 6261177940

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 3100, 3875, 7750, 15500, 322009, 644018, 1288036, 1610045, 3220090, 6440180, 8050225, 9982279, 16100450, 19964558, 32200900, 39929116, 40251125, 49911395, 80502250, 99822790, 161004500, 199645580, 249556975, 499113950, 998227900, 1247784875, 2495569750, 4991139500]

約数ペア:

[(1, 4991139500), (2, 2495569750), (4, 1247784875), (5, 998227900), (10, 499113950), (20, 249556975), (25, 199645580), (31, 161004500), (50, 99822790), (62, 80502250), (100, 49911395), (124, 40251125), (125, 39929116), (155, 32200900), (250, 19964558), (310, 16100450), (500, 9982279), (620, 8050225), (775, 6440180), (1550, 3220090), (3100, 1610045), (3875, 1288036), (7750, 644018), (15500, 322009)]