18893000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2699}}^1$

素因数の和:2727

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 31651000

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, 700, 875, 1000, 1400, 1750, 2699, 3500, 5398, 7000, 10796, 13495, 18893, 21592, 26990, 37786, 53980, 67475, 75572, 94465, 107960, 134950, 151144, 188930, 269900, 337375, 377860, 472325, 539800, 674750, 755720, 944650, 1349500, 1889300, 2361625, 2699000, 3778600, 4723250, 9446500, 18893000]

約数ペア:

[(1, 18893000), (2, 9446500), (4, 4723250), (5, 3778600), (7, 2699000), (8, 2361625), (10, 1889300), (14, 1349500), (20, 944650), (25, 755720), (28, 674750), (35, 539800), (40, 472325), (50, 377860), (56, 337375), (70, 269900), (100, 188930), (125, 151144), (140, 134950), (175, 107960), (200, 94465), (250, 75572), (280, 67475), (350, 53980), (500, 37786), (700, 26990), (875, 21592), (1000, 18893), (1400, 13495), (1750, 10796), (2699, 7000), (3500, 5398)]