1490335980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{541}}^1\times {\mathrm{937}}^1$

素因数の和:1504

約数の個数: 144

約数和(自身を含む): 4868400096

約数和(自身を除く): 3378064116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 541, 588, 735, 937, 980, 1082, 1470, 1623, 1874, 2164, 2705, 2811, 2940, 3246, 3748, 3787, 4685, 5410, 5622, 6492, 6559, 7574, 8115, 9370, 10820, 11244, 11361, 13118, 14055, 15148, 16230, 18740, 18935, 19677, 22722, 26236, 26509, 28110, 32460, 32795, 37870, 39354, 45444, 45913, 53018, 56220, 56805, 65590, 75740, 78708, 79527, 91826, 98385, 106036, 113610, 131180, 132545, 137739, 159054, 183652, 196770, 227220, 229565, 265090, 275478, 318108, 393540, 397635, 459130, 506917, 530180, 550956, 688695, 795270, 918260, 1013834, 1377390, 1520751, 1590540, 2027668, 2534585, 2754780, 3041502, 3548419, 5069170, 6083004, 7096838, 7603755, 10138340, 10645257, 14193676, 15207510, 17742095, 21290514, 24838933, 30415020, 35484190, 42581028, 49677866, 53226285, 70968380, 74516799, 99355732, 106452570, 124194665, 149033598, 212905140, 248389330, 298067196, 372583995, 496778660, 745167990, 1490335980]

約数ペア:

[(1, 1490335980), (2, 745167990), (3, 496778660), (4, 372583995), (5, 298067196), (6, 248389330), (7, 212905140), (10, 149033598), (12, 124194665), (14, 106452570), (15, 99355732), (20, 74516799), (21, 70968380), (28, 53226285), (30, 49677866), (35, 42581028), (42, 35484190), (49, 30415020), (60, 24838933), (70, 21290514), (84, 17742095), (98, 15207510), (105, 14193676), (140, 10645257), (147, 10138340), (196, 7603755), (210, 7096838), (245, 6083004), (294, 5069170), (420, 3548419), (490, 3041502), (541, 2754780), (588, 2534585), (735, 2027668), (937, 1590540), (980, 1520751), (1082, 1377390), (1470, 1013834), (1623, 918260), (1874, 795270), (2164, 688695), (2705, 550956), (2811, 530180), (2940, 506917), (3246, 459130), (3748, 397635), (3787, 393540), (4685, 318108), (5410, 275478), (5622, 265090), (6492, 229565), (6559, 227220), (7574, 196770), (8115, 183652), (9370, 159054), (10820, 137739), (11244, 132545), (11361, 131180), (13118, 113610), (14055, 106036), (15148, 98385), (16230, 91826), (18740, 79527), (18935, 78708), (19677, 75740), (22722, 65590), (26236, 56805), (26509, 56220), (28110, 53018), (32460, 45913), (32795, 45444), (37870, 39354)]