4044040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 12337920

約数和(自身を除く): 8293880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 101, 104, 110, 130, 140, 143, 154, 182, 202, 220, 260, 280, 286, 308, 364, 385, 404, 440, 455, 505, 520, 572, 616, 707, 715, 728, 770, 808, 910, 1001, 1010, 1111, 1144, 1313, 1414, 1430, 1540, 1820, 2002, 2020, 2222, 2626, 2828, 2860, 3080, 3535, 3640, 4004, 4040, 4444, 5005, 5252, 5555, 5656, 5720, 6565, 7070, 7777, 8008, 8888, 9191, 10010, 10504, 11110, 13130, 14140, 14443, 15554, 18382, 20020, 22220, 26260, 28280, 28886, 31108, 36764, 38885, 40040, 44440, 45955, 52520, 57772, 62216, 72215, 73528, 77770, 91910, 101101, 115544, 144430, 155540, 183820, 202202, 288860, 311080, 367640, 404404, 505505, 577720, 808808, 1011010, 2022020, 4044040]

約数ペア:

[(1, 4044040), (2, 2022020), (4, 1011010), (5, 808808), (7, 577720), (8, 505505), (10, 404404), (11, 367640), (13, 311080), (14, 288860), (20, 202202), (22, 183820), (26, 155540), (28, 144430), (35, 115544), (40, 101101), (44, 91910), (52, 77770), (55, 73528), (56, 72215), (65, 62216), (70, 57772), (77, 52520), (88, 45955), (91, 44440), (101, 40040), (104, 38885), (110, 36764), (130, 31108), (140, 28886), (143, 28280), (154, 26260), (182, 22220), (202, 20020), (220, 18382), (260, 15554), (280, 14443), (286, 14140), (308, 13130), (364, 11110), (385, 10504), (404, 10010), (440, 9191), (455, 8888), (505, 8008), (520, 7777), (572, 7070), (616, 6565), (707, 5720), (715, 5656), (728, 5555), (770, 5252), (808, 5005), (910, 4444), (1001, 4040), (1010, 4004), (1111, 3640), (1144, 3535), (1313, 3080), (1414, 2860), (1430, 2828), (1540, 2626), (1820, 2222), (2002, 2020)]