2759000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 6739200

約数和(自身を除く): 3980200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 89, 100, 124, 125, 155, 178, 200, 248, 250, 310, 356, 445, 500, 620, 712, 775, 890, 1000, 1240, 1550, 1780, 2225, 2759, 3100, 3560, 3875, 4450, 5518, 6200, 7750, 8900, 11036, 11125, 13795, 15500, 17800, 22072, 22250, 27590, 31000, 44500, 55180, 68975, 89000, 110360, 137950, 275900, 344875, 551800, 689750, 1379500, 2759000]

約数ペア:

[(1, 2759000), (2, 1379500), (4, 689750), (5, 551800), (8, 344875), (10, 275900), (20, 137950), (25, 110360), (31, 89000), (40, 68975), (50, 55180), (62, 44500), (89, 31000), (100, 27590), (124, 22250), (125, 22072), (155, 17800), (178, 15500), (200, 13795), (248, 11125), (250, 11036), (310, 8900), (356, 7750), (445, 6200), (500, 5518), (620, 4450), (712, 3875), (775, 3560), (890, 3100), (1000, 2759), (1240, 2225), (1550, 1780)]