90230000

素因数分解:

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

素因数の和:1324

約数の個数: 100

約数和(自身を含む): 249857520

約数和(自身を除く): 159627520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1250, 1289, 1400, 1750, 2000, 2500, 2578, 2800, 3500, 4375, 5000, 5156, 6445, 7000, 8750, 9023, 10000, 10312, 12890, 14000, 17500, 18046, 20624, 25780, 32225, 35000, 36092, 45115, 51560, 64450, 70000, 72184, 90230, 103120, 128900, 144368, 161125, 180460, 225575, 257800, 322250, 360920, 451150, 515600, 644500, 721840, 805625, 902300, 1127875, 1289000, 1611250, 1804600, 2255750, 2578000, 3222500, 3609200, 4511500, 5639375, 6445000, 9023000, 11278750, 12890000, 18046000, 22557500, 45115000, 90230000]

約数ペア:

[(1, 90230000), (2, 45115000), (4, 22557500), (5, 18046000), (7, 12890000), (8, 11278750), (10, 9023000), (14, 6445000), (16, 5639375), (20, 4511500), (25, 3609200), (28, 3222500), (35, 2578000), (40, 2255750), (50, 1804600), (56, 1611250), (70, 1289000), (80, 1127875), (100, 902300), (112, 805625), (125, 721840), (140, 644500), (175, 515600), (200, 451150), (250, 360920), (280, 322250), (350, 257800), (400, 225575), (500, 180460), (560, 161125), (625, 144368), (700, 128900), (875, 103120), (1000, 90230), (1250, 72184), (1289, 70000), (1400, 64450), (1750, 51560), (2000, 45115), (2500, 36092), (2578, 35000), (2800, 32225), (3500, 25780), (4375, 20624), (5000, 18046), (5156, 17500), (6445, 14000), (7000, 12890), (8750, 10312), (9023, 10000)]