290964520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5557}}^1$

素因数の和:5603

約数の個数: 128

約数和(自身を含む): 864380160

約数和(自身を除く): 573415640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1496, 1540, 1870, 2380, 2618, 3080, 3740, 4760, 5236, 5557, 6545, 7480, 10472, 11114, 13090, 22228, 26180, 27785, 38899, 44456, 52360, 55570, 61127, 77798, 94469, 111140, 122254, 155596, 188938, 194495, 222280, 244508, 305635, 311192, 377876, 388990, 427889, 472345, 489016, 611270, 661283, 755752, 777980, 855778, 944690, 1039159, 1222540, 1322566, 1555960, 1711556, 1889380, 2078318, 2139445, 2445080, 2645132, 3306415, 3423112, 3778760, 4156636, 4278890, 5195795, 5290264, 6612830, 7274113, 8313272, 8557780, 10391590, 13225660, 14548226, 17115560, 20783180, 26451320, 29096452, 36370565, 41566360, 58192904, 72741130, 145482260, 290964520]

約数ペア:

[(1, 290964520), (2, 145482260), (4, 72741130), (5, 58192904), (7, 41566360), (8, 36370565), (10, 29096452), (11, 26451320), (14, 20783180), (17, 17115560), (20, 14548226), (22, 13225660), (28, 10391590), (34, 8557780), (35, 8313272), (40, 7274113), (44, 6612830), (55, 5290264), (56, 5195795), (68, 4278890), (70, 4156636), (77, 3778760), (85, 3423112), (88, 3306415), (110, 2645132), (119, 2445080), (136, 2139445), (140, 2078318), (154, 1889380), (170, 1711556), (187, 1555960), (220, 1322566), (238, 1222540), (280, 1039159), (308, 944690), (340, 855778), (374, 777980), (385, 755752), (440, 661283), (476, 611270), (595, 489016), (616, 472345), (680, 427889), (748, 388990), (770, 377876), (935, 311192), (952, 305635), (1190, 244508), (1309, 222280), (1496, 194495), (1540, 188938), (1870, 155596), (2380, 122254), (2618, 111140), (3080, 94469), (3740, 77798), (4760, 61127), (5236, 55570), (5557, 52360), (6545, 44456), (7480, 38899), (10472, 27785), (11114, 26180), (13090, 22228)]