988000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 96

約数和(自身を含む): 2751840

約数和(自身を除く): 1763840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 125, 130, 152, 160, 190, 200, 208, 247, 250, 260, 304, 325, 380, 400, 416, 475, 494, 500, 520, 608, 650, 760, 800, 950, 988, 1000, 1040, 1235, 1300, 1520, 1625, 1900, 1976, 2000, 2080, 2375, 2470, 2600, 3040, 3250, 3800, 3952, 4000, 4750, 4940, 5200, 6175, 6500, 7600, 7904, 9500, 9880, 10400, 12350, 13000, 15200, 19000, 19760, 24700, 26000, 30875, 38000, 39520, 49400, 52000, 61750, 76000, 98800, 123500, 197600, 247000, 494000, 988000]

約数ペア:

[(1, 988000), (2, 494000), (4, 247000), (5, 197600), (8, 123500), (10, 98800), (13, 76000), (16, 61750), (19, 52000), (20, 49400), (25, 39520), (26, 38000), (32, 30875), (38, 26000), (40, 24700), (50, 19760), (52, 19000), (65, 15200), (76, 13000), (80, 12350), (95, 10400), (100, 9880), (104, 9500), (125, 7904), (130, 7600), (152, 6500), (160, 6175), (190, 5200), (200, 4940), (208, 4750), (247, 4000), (250, 3952), (260, 3800), (304, 3250), (325, 3040), (380, 2600), (400, 2470), (416, 2375), (475, 2080), (494, 2000), (500, 1976), (520, 1900), (608, 1625), (650, 1520), (760, 1300), (800, 1235), (950, 1040), (988, 1000)]