245840980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2617}}^1$

素因数の和:2705

約数の個数: 96

約数和(自身を含む): 654458112

約数和(自身を除く): 408617132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 122, 140, 154, 220, 244, 305, 308, 385, 427, 610, 671, 770, 854, 1220, 1342, 1540, 1708, 2135, 2617, 2684, 3355, 4270, 4697, 5234, 6710, 8540, 9394, 10468, 13085, 13420, 18319, 18788, 23485, 26170, 28787, 36638, 46970, 52340, 57574, 73276, 91595, 93940, 115148, 143935, 159637, 183190, 201509, 287870, 319274, 366380, 403018, 575740, 638548, 798185, 806036, 1007545, 1117459, 1596370, 1756007, 2015090, 2234918, 3192740, 3512014, 4030180, 4469836, 5587295, 7024028, 8780035, 11174590, 12292049, 17560070, 22349180, 24584098, 35120140, 49168196, 61460245, 122920490, 245840980]

約数ペア:

[(1, 245840980), (2, 122920490), (4, 61460245), (5, 49168196), (7, 35120140), (10, 24584098), (11, 22349180), (14, 17560070), (20, 12292049), (22, 11174590), (28, 8780035), (35, 7024028), (44, 5587295), (55, 4469836), (61, 4030180), (70, 3512014), (77, 3192740), (110, 2234918), (122, 2015090), (140, 1756007), (154, 1596370), (220, 1117459), (244, 1007545), (305, 806036), (308, 798185), (385, 638548), (427, 575740), (610, 403018), (671, 366380), (770, 319274), (854, 287870), (1220, 201509), (1342, 183190), (1540, 159637), (1708, 143935), (2135, 115148), (2617, 93940), (2684, 91595), (3355, 73276), (4270, 57574), (4697, 52340), (5234, 46970), (6710, 36638), (8540, 28787), (9394, 26170), (10468, 23485), (13085, 18788), (13420, 18319)]