2860000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 120

約数和(自身を含む): 8266104

約数和(自身を除く): 5406104

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 125, 130, 143, 160, 176, 200, 208, 220, 250, 260, 275, 286, 325, 352, 400, 416, 440, 500, 520, 550, 572, 625, 650, 715, 800, 880, 1000, 1040, 1100, 1144, 1250, 1300, 1375, 1430, 1625, 1760, 2000, 2080, 2200, 2288, 2500, 2600, 2750, 2860, 3250, 3575, 4000, 4400, 4576, 5000, 5200, 5500, 5720, 6500, 6875, 7150, 8125, 8800, 10000, 10400, 11000, 11440, 13000, 13750, 14300, 16250, 17875, 20000, 22000, 22880, 26000, 27500, 28600, 32500, 35750, 44000, 52000, 55000, 57200, 65000, 71500, 89375, 110000, 114400, 130000, 143000, 178750, 220000, 260000, 286000, 357500, 572000, 715000, 1430000, 2860000]

約数ペア:

[(1, 2860000), (2, 1430000), (4, 715000), (5, 572000), (8, 357500), (10, 286000), (11, 260000), (13, 220000), (16, 178750), (20, 143000), (22, 130000), (25, 114400), (26, 110000), (32, 89375), (40, 71500), (44, 65000), (50, 57200), (52, 55000), (55, 52000), (65, 44000), (80, 35750), (88, 32500), (100, 28600), (104, 27500), (110, 26000), (125, 22880), (130, 22000), (143, 20000), (160, 17875), (176, 16250), (200, 14300), (208, 13750), (220, 13000), (250, 11440), (260, 11000), (275, 10400), (286, 10000), (325, 8800), (352, 8125), (400, 7150), (416, 6875), (440, 6500), (500, 5720), (520, 5500), (550, 5200), (572, 5000), (625, 4576), (650, 4400), (715, 4000), (800, 3575), (880, 3250), (1000, 2860), (1040, 2750), (1100, 2600), (1144, 2500), (1250, 2288), (1300, 2200), (1375, 2080), (1430, 2000), (1625, 1760)]