2000697640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{1069}}^1$

素因数の和:1810

約数の個数: 64

約数和(自身を含む): 4576176000

約数和(自身を除く): 2575478360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 659, 710, 1069, 1318, 1420, 2138, 2636, 2840, 3295, 4276, 5272, 5345, 6590, 8552, 10690, 13180, 21380, 26360, 42760, 46789, 75899, 93578, 151798, 187156, 233945, 303596, 374312, 379495, 467890, 607192, 704471, 758990, 935780, 1408942, 1517980, 1871560, 2817884, 3035960, 3522355, 5635768, 7044710, 14089420, 28178840, 50017441, 100034882, 200069764, 250087205, 400139528, 500174410, 1000348820, 2000697640]

約数ペア:

[(1, 2000697640), (2, 1000348820), (4, 500174410), (5, 400139528), (8, 250087205), (10, 200069764), (20, 100034882), (40, 50017441), (71, 28178840), (142, 14089420), (284, 7044710), (355, 5635768), (568, 3522355), (659, 3035960), (710, 2817884), (1069, 1871560), (1318, 1517980), (1420, 1408942), (2138, 935780), (2636, 758990), (2840, 704471), (3295, 607192), (4276, 467890), (5272, 379495), (5345, 374312), (6590, 303596), (8552, 233945), (10690, 187156), (13180, 151798), (21380, 93578), (26360, 75899), (42760, 46789)]