1263800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 3013200

約数和(自身を除く): 1749400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 89, 100, 142, 178, 200, 284, 355, 356, 445, 568, 710, 712, 890, 1420, 1775, 1780, 2225, 2840, 3550, 3560, 4450, 6319, 7100, 8900, 12638, 14200, 17800, 25276, 31595, 50552, 63190, 126380, 157975, 252760, 315950, 631900, 1263800]

約数ペア:

[(1, 1263800), (2, 631900), (4, 315950), (5, 252760), (8, 157975), (10, 126380), (20, 63190), (25, 50552), (40, 31595), (50, 25276), (71, 17800), (89, 14200), (100, 12638), (142, 8900), (178, 7100), (200, 6319), (284, 4450), (355, 3560), (356, 3550), (445, 2840), (568, 2225), (710, 1780), (712, 1775), (890, 1420)]