16688000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 47736000

約数和(自身を除く): 31048000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 149, 160, 175, 200, 224, 250, 280, 298, 320, 350, 400, 448, 500, 560, 596, 640, 700, 745, 800, 875, 896, 1000, 1043, 1120, 1192, 1400, 1490, 1600, 1750, 2000, 2086, 2240, 2384, 2800, 2980, 3200, 3500, 3725, 4000, 4172, 4480, 4768, 5215, 5600, 5960, 7000, 7450, 8000, 8344, 9536, 10430, 11200, 11920, 14000, 14900, 16000, 16688, 18625, 19072, 20860, 22400, 23840, 26075, 28000, 29800, 33376, 37250, 41720, 47680, 52150, 56000, 59600, 66752, 74500, 83440, 95360, 104300, 112000, 119200, 130375, 133504, 149000, 166880, 208600, 238400, 260750, 298000, 333760, 417200, 476800, 521500, 596000, 667520, 834400, 1043000, 1192000, 1668800, 2086000, 2384000, 3337600, 4172000, 8344000, 16688000]

約数ペア:

[(1, 16688000), (2, 8344000), (4, 4172000), (5, 3337600), (7, 2384000), (8, 2086000), (10, 1668800), (14, 1192000), (16, 1043000), (20, 834400), (25, 667520), (28, 596000), (32, 521500), (35, 476800), (40, 417200), (50, 333760), (56, 298000), (64, 260750), (70, 238400), (80, 208600), (100, 166880), (112, 149000), (125, 133504), (128, 130375), (140, 119200), (149, 112000), (160, 104300), (175, 95360), (200, 83440), (224, 74500), (250, 66752), (280, 59600), (298, 56000), (320, 52150), (350, 47680), (400, 41720), (448, 37250), (500, 33376), (560, 29800), (596, 28000), (640, 26075), (700, 23840), (745, 22400), (800, 20860), (875, 19072), (896, 18625), (1000, 16688), (1043, 16000), (1120, 14900), (1192, 14000), (1400, 11920), (1490, 11200), (1600, 10430), (1750, 9536), (2000, 8344), (2086, 8000), (2240, 7450), (2384, 7000), (2800, 5960), (2980, 5600), (3200, 5215), (3500, 4768), (3725, 4480), (4000, 4172)]