20100303500

素因数分解:

$2^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{289213}}^1$

素因数の和:289371

約数の個数: 48

約数和(自身を含む): 44215036320

約数和(自身を除く): 24114732820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 250, 278, 500, 556, 695, 1390, 2780, 3475, 6950, 13900, 17375, 34750, 69500, 289213, 578426, 1156852, 1446065, 2892130, 5784260, 7230325, 14460650, 28921300, 36151625, 40200607, 72303250, 80401214, 144606500, 160802428, 201003035, 402006070, 804012140, 1005015175, 2010030350, 4020060700, 5025075875, 10050151750, 20100303500]

約数ペア:

[(1, 20100303500), (2, 10050151750), (4, 5025075875), (5, 4020060700), (10, 2010030350), (20, 1005015175), (25, 804012140), (50, 402006070), (100, 201003035), (125, 160802428), (139, 144606500), (250, 80401214), (278, 72303250), (500, 40200607), (556, 36151625), (695, 28921300), (1390, 14460650), (2780, 7230325), (3475, 5784260), (6950, 2892130), (13900, 1446065), (17375, 1156852), (34750, 578426), (69500, 289213)]