4004000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:56

約数の個数: 192

約数和(自身を含む): 13208832

約数和(自身を除く): 9204832

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 25, 26, 28, 32, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 80, 88, 91, 100, 104, 110, 112, 125, 130, 140, 143, 154, 160, 175, 176, 182, 200, 208, 220, 224, 250, 260, 275, 280, 286, 308, 325, 350, 352, 364, 385, 400, 416, 440, 455, 500, 520, 550, 560, 572, 616, 650, 700, 715, 728, 770, 800, 875, 880, 910, 1000, 1001, 1040, 1100, 1120, 1144, 1232, 1300, 1375, 1400, 1430, 1456, 1540, 1625, 1750, 1760, 1820, 1925, 2000, 2002, 2080, 2200, 2275, 2288, 2464, 2600, 2750, 2800, 2860, 2912, 3080, 3250, 3500, 3575, 3640, 3850, 4000, 4004, 4400, 4550, 4576, 5005, 5200, 5500, 5600, 5720, 6160, 6500, 7000, 7150, 7280, 7700, 8008, 8800, 9100, 9625, 10010, 10400, 11000, 11375, 11440, 12320, 13000, 14000, 14300, 14560, 15400, 16016, 17875, 18200, 19250, 20020, 22000, 22750, 22880, 25025, 26000, 28000, 28600, 30800, 32032, 35750, 36400, 38500, 40040, 44000, 45500, 50050, 52000, 57200, 61600, 71500, 72800, 77000, 80080, 91000, 100100, 114400, 125125, 143000, 154000, 160160, 182000, 200200, 250250, 286000, 308000, 364000, 400400, 500500, 572000, 800800, 1001000, 2002000, 4004000]

約数ペア:

[(1, 4004000), (2, 2002000), (4, 1001000), (5, 800800), (7, 572000), (8, 500500), (10, 400400), (11, 364000), (13, 308000), (14, 286000), (16, 250250), (20, 200200), (22, 182000), (25, 160160), (26, 154000), (28, 143000), (32, 125125), (35, 114400), (40, 100100), (44, 91000), (50, 80080), (52, 77000), (55, 72800), (56, 71500), (65, 61600), (70, 57200), (77, 52000), (80, 50050), (88, 45500), (91, 44000), (100, 40040), (104, 38500), (110, 36400), (112, 35750), (125, 32032), (130, 30800), (140, 28600), (143, 28000), (154, 26000), (160, 25025), (175, 22880), (176, 22750), (182, 22000), (200, 20020), (208, 19250), (220, 18200), (224, 17875), (250, 16016), (260, 15400), (275, 14560), (280, 14300), (286, 14000), (308, 13000), (325, 12320), (350, 11440), (352, 11375), (364, 11000), (385, 10400), (400, 10010), (416, 9625), (440, 9100), (455, 8800), (500, 8008), (520, 7700), (550, 7280), (560, 7150), (572, 7000), (616, 6500), (650, 6160), (700, 5720), (715, 5600), (728, 5500), (770, 5200), (800, 5005), (875, 4576), (880, 4550), (910, 4400), (1000, 4004), (1001, 4000), (1040, 3850), (1100, 3640), (1120, 3575), (1144, 3500), (1232, 3250), (1300, 3080), (1375, 2912), (1400, 2860), (1430, 2800), (1456, 2750), (1540, 2600), (1625, 2464), (1750, 2288), (1760, 2275), (1820, 2200), (1925, 2080), (2000, 2002)]