40440400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 131741568

約数和(自身を除く): 91301168

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 80, 88, 91, 100, 101, 104, 110, 112, 130, 140, 143, 154, 175, 176, 182, 200, 202, 208, 220, 260, 275, 280, 286, 308, 325, 350, 364, 385, 400, 404, 440, 455, 505, 520, 550, 560, 572, 616, 650, 700, 707, 715, 728, 770, 808, 880, 910, 1001, 1010, 1040, 1100, 1111, 1144, 1232, 1300, 1313, 1400, 1414, 1430, 1456, 1540, 1616, 1820, 1925, 2002, 2020, 2200, 2222, 2275, 2288, 2525, 2600, 2626, 2800, 2828, 2860, 3080, 3535, 3575, 3640, 3850, 4004, 4040, 4400, 4444, 4550, 5005, 5050, 5200, 5252, 5555, 5656, 5720, 6160, 6565, 7070, 7150, 7280, 7700, 7777, 8008, 8080, 8888, 9100, 9191, 10010, 10100, 10504, 11110, 11312, 11440, 13130, 14140, 14300, 14443, 15400, 15554, 16016, 17675, 17776, 18200, 18382, 20020, 20200, 21008, 22220, 25025, 26260, 27775, 28280, 28600, 28886, 30800, 31108, 32825, 35350, 36400, 36764, 38885, 40040, 40400, 44440, 45955, 50050, 52520, 55550, 56560, 57200, 57772, 62216, 65650, 70700, 72215, 73528, 77770, 80080, 88880, 91910, 100100, 101101, 105040, 111100, 115544, 124432, 131300, 141400, 144430, 147056, 155540, 183820, 194425, 200200, 202202, 222200, 229775, 231088, 262600, 282800, 288860, 311080, 361075, 367640, 388850, 400400, 404404, 444400, 459550, 505505, 525200, 577720, 622160, 722150, 735280, 777700, 808808, 919100, 1011010, 1155440, 1444300, 1555400, 1617616, 1838200, 2022020, 2527525, 2888600, 3110800, 3676400, 4044040, 5055050, 5777200, 8088080, 10110100, 20220200, 40440400]

約数ペア:

[(1, 40440400), (2, 20220200), (4, 10110100), (5, 8088080), (7, 5777200), (8, 5055050), (10, 4044040), (11, 3676400), (13, 3110800), (14, 2888600), (16, 2527525), (20, 2022020), (22, 1838200), (25, 1617616), (26, 1555400), (28, 1444300), (35, 1155440), (40, 1011010), (44, 919100), (50, 808808), (52, 777700), (55, 735280), (56, 722150), (65, 622160), (70, 577720), (77, 525200), (80, 505505), (88, 459550), (91, 444400), (100, 404404), (101, 400400), (104, 388850), (110, 367640), (112, 361075), (130, 311080), (140, 288860), (143, 282800), (154, 262600), (175, 231088), (176, 229775), (182, 222200), (200, 202202), (202, 200200), (208, 194425), (220, 183820), (260, 155540), (275, 147056), (280, 144430), (286, 141400), (308, 131300), (325, 124432), (350, 115544), (364, 111100), (385, 105040), (400, 101101), (404, 100100), (440, 91910), (455, 88880), (505, 80080), (520, 77770), (550, 73528), (560, 72215), (572, 70700), (616, 65650), (650, 62216), (700, 57772), (707, 57200), (715, 56560), (728, 55550), (770, 52520), (808, 50050), (880, 45955), (910, 44440), (1001, 40400), (1010, 40040), (1040, 38885), (1100, 36764), (1111, 36400), (1144, 35350), (1232, 32825), (1300, 31108), (1313, 30800), (1400, 28886), (1414, 28600), (1430, 28280), (1456, 27775), (1540, 26260), (1616, 25025), (1820, 22220), (1925, 21008), (2002, 20200), (2020, 20020), (2200, 18382), (2222, 18200), (2275, 17776), (2288, 17675), (2525, 16016), (2600, 15554), (2626, 15400), (2800, 14443), (2828, 14300), (2860, 14140), (3080, 13130), (3535, 11440), (3575, 11312), (3640, 11110), (3850, 10504), (4004, 10100), (4040, 10010), (4400, 9191), (4444, 9100), (4550, 8888), (5005, 8080), (5050, 8008), (5200, 7777), (5252, 7700), (5555, 7280), (5656, 7150), (5720, 7070), (6160, 6565)]