278140184

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3023}}^1$

素因数の和:3120

約数の個数: 64

約数和(自身を含む): 627056640

約数和(自身を除く): 348916456

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 53, 56, 62, 106, 124, 212, 217, 248, 371, 424, 434, 742, 868, 1484, 1643, 1736, 2968, 3023, 3286, 6046, 6572, 11501, 12092, 13144, 21161, 23002, 24184, 42322, 46004, 84644, 92008, 93713, 160219, 169288, 187426, 320438, 374852, 640876, 655991, 749704, 1121533, 1281752, 1311982, 2243066, 2623964, 4486132, 4966789, 5247928, 8972264, 9933578, 19867156, 34767523, 39734312, 69535046, 139070092, 278140184]

約数ペア:

[(1, 278140184), (2, 139070092), (4, 69535046), (7, 39734312), (8, 34767523), (14, 19867156), (28, 9933578), (31, 8972264), (53, 5247928), (56, 4966789), (62, 4486132), (106, 2623964), (124, 2243066), (212, 1311982), (217, 1281752), (248, 1121533), (371, 749704), (424, 655991), (434, 640876), (742, 374852), (868, 320438), (1484, 187426), (1643, 169288), (1736, 160219), (2968, 93713), (3023, 92008), (3286, 84644), (6046, 46004), (6572, 42322), (11501, 24184), (12092, 23002), (13144, 21161)]