257596640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1811}}^1$

素因数の和:1960

約数の個数: 96

約数和(自身を含む): 701374464

約数和(自身を除く): 443777824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 224, 254, 280, 508, 560, 635, 889, 1016, 1120, 1270, 1778, 1811, 2032, 2540, 3556, 3622, 4064, 4445, 5080, 7112, 7244, 8890, 9055, 10160, 12677, 14224, 14488, 17780, 18110, 20320, 25354, 28448, 28976, 35560, 36220, 50708, 57952, 63385, 71120, 72440, 101416, 126770, 142240, 144880, 202832, 229997, 253540, 289760, 405664, 459994, 507080, 919988, 1014160, 1149985, 1609979, 1839976, 2028320, 2299970, 3219958, 3679952, 4599940, 6439916, 7359904, 8049895, 9199880, 12879832, 16099790, 18399760, 25759664, 32199580, 36799520, 51519328, 64399160, 128798320, 257596640]

約数ペア:

[(1, 257596640), (2, 128798320), (4, 64399160), (5, 51519328), (7, 36799520), (8, 32199580), (10, 25759664), (14, 18399760), (16, 16099790), (20, 12879832), (28, 9199880), (32, 8049895), (35, 7359904), (40, 6439916), (56, 4599940), (70, 3679952), (80, 3219958), (112, 2299970), (127, 2028320), (140, 1839976), (160, 1609979), (224, 1149985), (254, 1014160), (280, 919988), (508, 507080), (560, 459994), (635, 405664), (889, 289760), (1016, 253540), (1120, 229997), (1270, 202832), (1778, 144880), (1811, 142240), (2032, 126770), (2540, 101416), (3556, 72440), (3622, 71120), (4064, 63385), (4445, 57952), (5080, 50708), (7112, 36220), (7244, 35560), (8890, 28976), (9055, 28448), (10160, 25354), (12677, 20320), (14224, 18110), (14488, 17780)]