279506416

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 677289984

約数和(自身を除く): 397783568

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 223, 248, 266, 304, 361, 434, 446, 496, 532, 589, 722, 868, 892, 1064, 1178, 1444, 1561, 1736, 1784, 2128, 2356, 2527, 2888, 3122, 3472, 3568, 4123, 4237, 4712, 5054, 5776, 6244, 6913, 8246, 8474, 9424, 10108, 11191, 12488, 13826, 16492, 16948, 20216, 22382, 24976, 27652, 29659, 32984, 33896, 40432, 44764, 48391, 55304, 59318, 65968, 67792, 78337, 80503, 89528, 96782, 110608, 118636, 131347, 156674, 161006, 179056, 193564, 237272, 262694, 313348, 322012, 387128, 474544, 525388, 563521, 626696, 644024, 774256, 919429, 1050776, 1127042, 1253392, 1288048, 1838858, 2101552, 2254084, 2495593, 3677716, 4508168, 4991186, 7355432, 9016336, 9982372, 14710864, 17469151, 19964744, 34938302, 39929488, 69876604, 139753208, 279506416]

約数ペア:

[(1, 279506416), (2, 139753208), (4, 69876604), (7, 39929488), (8, 34938302), (14, 19964744), (16, 17469151), (19, 14710864), (28, 9982372), (31, 9016336), (38, 7355432), (56, 4991186), (62, 4508168), (76, 3677716), (112, 2495593), (124, 2254084), (133, 2101552), (152, 1838858), (217, 1288048), (223, 1253392), (248, 1127042), (266, 1050776), (304, 919429), (361, 774256), (434, 644024), (446, 626696), (496, 563521), (532, 525388), (589, 474544), (722, 387128), (868, 322012), (892, 313348), (1064, 262694), (1178, 237272), (1444, 193564), (1561, 179056), (1736, 161006), (1784, 156674), (2128, 131347), (2356, 118636), (2527, 110608), (2888, 96782), (3122, 89528), (3472, 80503), (3568, 78337), (4123, 67792), (4237, 65968), (4712, 59318), (5054, 55304), (5776, 48391), (6244, 44764), (6913, 40432), (8246, 33896), (8474, 32984), (9424, 29659), (10108, 27652), (11191, 24976), (12488, 22382), (13826, 20216), (16492, 16948)]