1309000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 128

約数和(自身を含む): 4043520

約数和(自身を除く): 2734520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 40, 44, 50, 55, 56, 68, 70, 77, 85, 88, 100, 110, 119, 125, 136, 140, 154, 170, 175, 187, 200, 220, 238, 250, 275, 280, 308, 340, 350, 374, 385, 425, 440, 476, 500, 550, 595, 616, 680, 700, 748, 770, 850, 875, 935, 952, 1000, 1100, 1190, 1309, 1375, 1400, 1496, 1540, 1700, 1750, 1870, 1925, 2125, 2200, 2380, 2618, 2750, 2975, 3080, 3400, 3500, 3740, 3850, 4250, 4675, 4760, 5236, 5500, 5950, 6545, 7000, 7480, 7700, 8500, 9350, 9625, 10472, 11000, 11900, 13090, 14875, 15400, 17000, 18700, 19250, 23375, 23800, 26180, 29750, 32725, 37400, 38500, 46750, 52360, 59500, 65450, 77000, 93500, 119000, 130900, 163625, 187000, 261800, 327250, 654500, 1309000]

約数ペア:

[(1, 1309000), (2, 654500), (4, 327250), (5, 261800), (7, 187000), (8, 163625), (10, 130900), (11, 119000), (14, 93500), (17, 77000), (20, 65450), (22, 59500), (25, 52360), (28, 46750), (34, 38500), (35, 37400), (40, 32725), (44, 29750), (50, 26180), (55, 23800), (56, 23375), (68, 19250), (70, 18700), (77, 17000), (85, 15400), (88, 14875), (100, 13090), (110, 11900), (119, 11000), (125, 10472), (136, 9625), (140, 9350), (154, 8500), (170, 7700), (175, 7480), (187, 7000), (200, 6545), (220, 5950), (238, 5500), (250, 5236), (275, 4760), (280, 4675), (308, 4250), (340, 3850), (350, 3740), (374, 3500), (385, 3400), (425, 3080), (440, 2975), (476, 2750), (500, 2618), (550, 2380), (595, 2200), (616, 2125), (680, 1925), (700, 1870), (748, 1750), (770, 1700), (850, 1540), (875, 1496), (935, 1400), (952, 1375), (1000, 1309), (1100, 1190)]