4180000

素因数分解:

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

素因数の和:60

約数の個数: 120

約数和(自身を含む): 11808720

約数和(自身を除く): 7628720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 125, 152, 160, 176, 190, 200, 209, 220, 250, 275, 304, 352, 380, 400, 418, 440, 475, 500, 550, 608, 625, 760, 800, 836, 880, 950, 1000, 1045, 1100, 1250, 1375, 1520, 1672, 1760, 1900, 2000, 2090, 2200, 2375, 2500, 2750, 3040, 3344, 3800, 4000, 4180, 4400, 4750, 5000, 5225, 5500, 6688, 6875, 7600, 8360, 8800, 9500, 10000, 10450, 11000, 11875, 13750, 15200, 16720, 19000, 20000, 20900, 22000, 23750, 26125, 27500, 33440, 38000, 41800, 44000, 47500, 52250, 55000, 76000, 83600, 95000, 104500, 110000, 130625, 167200, 190000, 209000, 220000, 261250, 380000, 418000, 522500, 836000, 1045000, 2090000, 4180000]

約数ペア:

[(1, 4180000), (2, 2090000), (4, 1045000), (5, 836000), (8, 522500), (10, 418000), (11, 380000), (16, 261250), (19, 220000), (20, 209000), (22, 190000), (25, 167200), (32, 130625), (38, 110000), (40, 104500), (44, 95000), (50, 83600), (55, 76000), (76, 55000), (80, 52250), (88, 47500), (95, 44000), (100, 41800), (110, 38000), (125, 33440), (152, 27500), (160, 26125), (176, 23750), (190, 22000), (200, 20900), (209, 20000), (220, 19000), (250, 16720), (275, 15200), (304, 13750), (352, 11875), (380, 11000), (400, 10450), (418, 10000), (440, 9500), (475, 8800), (500, 8360), (550, 7600), (608, 6875), (625, 6688), (760, 5500), (800, 5225), (836, 5000), (880, 4750), (950, 4400), (1000, 4180), (1045, 4000), (1100, 3800), (1250, 3344), (1375, 3040), (1520, 2750), (1672, 2500), (1760, 2375), (1900, 2200), (2000, 2090)]