289306260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 914833920

約数和(自身を除く): 625527660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 139, 155, 180, 186, 278, 279, 310, 372, 373, 417, 465, 556, 558, 620, 695, 746, 834, 930, 1116, 1119, 1251, 1390, 1395, 1492, 1668, 1860, 1865, 2085, 2238, 2502, 2780, 2790, 3357, 3730, 4170, 4309, 4476, 5004, 5580, 5595, 6255, 6714, 7460, 8340, 8618, 11190, 11563, 12510, 12927, 13428, 16785, 17236, 21545, 22380, 23126, 25020, 25854, 33570, 34689, 38781, 43090, 46252, 51708, 51847, 57815, 64635, 67140, 69378, 77562, 86180, 103694, 104067, 115630, 129270, 138756, 155124, 155541, 173445, 193905, 207388, 208134, 231260, 258540, 259235, 311082, 346890, 387810, 416268, 466623, 518470, 520335, 622164, 693780, 775620, 777705, 933246, 1036940, 1040670, 1555410, 1607257, 1866492, 2081340, 2333115, 3110820, 3214514, 4666230, 4821771, 6429028, 8036285, 9332460, 9643542, 14465313, 16072570, 19287084, 24108855, 28930626, 32145140, 48217710, 57861252, 72326565, 96435420, 144653130, 289306260]

約数ペア:

[(1, 289306260), (2, 144653130), (3, 96435420), (4, 72326565), (5, 57861252), (6, 48217710), (9, 32145140), (10, 28930626), (12, 24108855), (15, 19287084), (18, 16072570), (20, 14465313), (30, 9643542), (31, 9332460), (36, 8036285), (45, 6429028), (60, 4821771), (62, 4666230), (90, 3214514), (93, 3110820), (124, 2333115), (139, 2081340), (155, 1866492), (180, 1607257), (186, 1555410), (278, 1040670), (279, 1036940), (310, 933246), (372, 777705), (373, 775620), (417, 693780), (465, 622164), (556, 520335), (558, 518470), (620, 466623), (695, 416268), (746, 387810), (834, 346890), (930, 311082), (1116, 259235), (1119, 258540), (1251, 231260), (1390, 208134), (1395, 207388), (1492, 193905), (1668, 173445), (1860, 155541), (1865, 155124), (2085, 138756), (2238, 129270), (2502, 115630), (2780, 104067), (2790, 103694), (3357, 86180), (3730, 77562), (4170, 69378), (4309, 67140), (4476, 64635), (5004, 57815), (5580, 51847), (5595, 51708), (6255, 46252), (6714, 43090), (7460, 38781), (8340, 34689), (8618, 33570), (11190, 25854), (11563, 25020), (12510, 23126), (12927, 22380), (13428, 21545), (16785, 17236)]