278840208

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2549}}^1$

素因数の和:2656

約数の個数: 80

約数和(自身を含む): 751291200

約数和(自身を除く): 472450992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 53, 86, 106, 129, 159, 172, 212, 258, 318, 344, 424, 516, 636, 688, 848, 1032, 1272, 2064, 2279, 2544, 2549, 4558, 5098, 6837, 7647, 9116, 10196, 13674, 15294, 18232, 20392, 27348, 30588, 36464, 40784, 54696, 61176, 109392, 109607, 122352, 135097, 219214, 270194, 328821, 405291, 438428, 540388, 657642, 810582, 876856, 1080776, 1315284, 1621164, 1753712, 2161552, 2630568, 3242328, 5261136, 5809171, 6484656, 11618342, 17427513, 23236684, 34855026, 46473368, 69710052, 92946736, 139420104, 278840208]

約数ペア:

[(1, 278840208), (2, 139420104), (3, 92946736), (4, 69710052), (6, 46473368), (8, 34855026), (12, 23236684), (16, 17427513), (24, 11618342), (43, 6484656), (48, 5809171), (53, 5261136), (86, 3242328), (106, 2630568), (129, 2161552), (159, 1753712), (172, 1621164), (212, 1315284), (258, 1080776), (318, 876856), (344, 810582), (424, 657642), (516, 540388), (636, 438428), (688, 405291), (848, 328821), (1032, 270194), (1272, 219214), (2064, 135097), (2279, 122352), (2544, 109607), (2549, 109392), (4558, 61176), (5098, 54696), (6837, 40784), (7647, 36464), (9116, 30588), (10196, 27348), (13674, 20392), (15294, 18232)]