45115000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 120898800

約数和(自身を除く): 75783800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1289, 1400, 1750, 2500, 2578, 3500, 4375, 5000, 5156, 6445, 7000, 8750, 9023, 10312, 12890, 17500, 18046, 25780, 32225, 35000, 36092, 45115, 51560, 64450, 72184, 90230, 128900, 161125, 180460, 225575, 257800, 322250, 360920, 451150, 644500, 805625, 902300, 1127875, 1289000, 1611250, 1804600, 2255750, 3222500, 4511500, 5639375, 6445000, 9023000, 11278750, 22557500, 45115000]

約数ペア:

[(1, 45115000), (2, 22557500), (4, 11278750), (5, 9023000), (7, 6445000), (8, 5639375), (10, 4511500), (14, 3222500), (20, 2255750), (25, 1804600), (28, 1611250), (35, 1289000), (40, 1127875), (50, 902300), (56, 805625), (70, 644500), (100, 451150), (125, 360920), (140, 322250), (175, 257800), (200, 225575), (250, 180460), (280, 161125), (350, 128900), (500, 90230), (625, 72184), (700, 64450), (875, 51560), (1000, 45115), (1250, 36092), (1289, 35000), (1400, 32225), (1750, 25780), (2500, 18046), (2578, 17500), (3500, 12890), (4375, 10312), (5000, 9023), (5156, 8750), (6445, 7000)]