289555740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69941}}^1$

素因数の和:69979

約数の個数: 72

約数和(自身を含む): 916519968

約数和(自身を除く): 626964228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 69941, 139882, 209823, 279764, 349705, 419646, 629469, 699410, 839292, 1049115, 1258938, 1398820, 1608643, 2098230, 2517876, 3147345, 3217286, 4196460, 4825929, 6294690, 6434572, 8043215, 9651858, 12589380, 14477787, 16086430, 19303716, 24129645, 28955574, 32172860, 48259290, 57911148, 72388935, 96518580, 144777870, 289555740]

約数ペア:

[(1, 289555740), (2, 144777870), (3, 96518580), (4, 72388935), (5, 57911148), (6, 48259290), (9, 32172860), (10, 28955574), (12, 24129645), (15, 19303716), (18, 16086430), (20, 14477787), (23, 12589380), (30, 9651858), (36, 8043215), (45, 6434572), (46, 6294690), (60, 4825929), (69, 4196460), (90, 3217286), (92, 3147345), (115, 2517876), (138, 2098230), (180, 1608643), (207, 1398820), (230, 1258938), (276, 1049115), (345, 839292), (414, 699410), (460, 629469), (690, 419646), (828, 349705), (1035, 279764), (1380, 209823), (2070, 139882), (4140, 69941)]