10450000

素因数分解:

$2^4\times 5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 120

約数和(自身を含む): 29060640

約数和(自身を除く): 18610640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 125, 152, 176, 190, 200, 209, 220, 250, 275, 304, 380, 400, 418, 440, 475, 500, 550, 625, 760, 836, 880, 950, 1000, 1045, 1100, 1250, 1375, 1520, 1672, 1900, 2000, 2090, 2200, 2375, 2500, 2750, 3125, 3344, 3800, 4180, 4400, 4750, 5000, 5225, 5500, 6250, 6875, 7600, 8360, 9500, 10000, 10450, 11000, 11875, 12500, 13750, 16720, 19000, 20900, 22000, 23750, 25000, 26125, 27500, 34375, 38000, 41800, 47500, 50000, 52250, 55000, 59375, 68750, 83600, 95000, 104500, 110000, 118750, 130625, 137500, 190000, 209000, 237500, 261250, 275000, 418000, 475000, 522500, 550000, 653125, 950000, 1045000, 1306250, 2090000, 2612500, 5225000, 10450000]

約数ペア:

[(1, 10450000), (2, 5225000), (4, 2612500), (5, 2090000), (8, 1306250), (10, 1045000), (11, 950000), (16, 653125), (19, 550000), (20, 522500), (22, 475000), (25, 418000), (38, 275000), (40, 261250), (44, 237500), (50, 209000), (55, 190000), (76, 137500), (80, 130625), (88, 118750), (95, 110000), (100, 104500), (110, 95000), (125, 83600), (152, 68750), (176, 59375), (190, 55000), (200, 52250), (209, 50000), (220, 47500), (250, 41800), (275, 38000), (304, 34375), (380, 27500), (400, 26125), (418, 25000), (440, 23750), (475, 22000), (500, 20900), (550, 19000), (625, 16720), (760, 13750), (836, 12500), (880, 11875), (950, 11000), (1000, 10450), (1045, 10000), (1100, 9500), (1250, 8360), (1375, 7600), (1520, 6875), (1672, 6250), (1900, 5500), (2000, 5225), (2090, 5000), (2200, 4750), (2375, 4400), (2500, 4180), (2750, 3800), (3125, 3344)]