254423792

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 591628800

約数和(自身を除く): 337205008

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 283, 322, 349, 368, 566, 644, 698, 1132, 1288, 1396, 1981, 2264, 2443, 2576, 2792, 3962, 4528, 4886, 5584, 6509, 7924, 8027, 9772, 13018, 15848, 16054, 19544, 26036, 31696, 32108, 39088, 45563, 52072, 56189, 64216, 91126, 98767, 104144, 112378, 128432, 182252, 197534, 224756, 364504, 395068, 449512, 691369, 729008, 790136, 899024, 1382738, 1580272, 2271641, 2765476, 4543282, 5530952, 9086564, 11061904, 15901487, 18173128, 31802974, 36346256, 63605948, 127211896, 254423792]

約数ペア:

[(1, 254423792), (2, 127211896), (4, 63605948), (7, 36346256), (8, 31802974), (14, 18173128), (16, 15901487), (23, 11061904), (28, 9086564), (46, 5530952), (56, 4543282), (92, 2765476), (112, 2271641), (161, 1580272), (184, 1382738), (283, 899024), (322, 790136), (349, 729008), (368, 691369), (566, 449512), (644, 395068), (698, 364504), (1132, 224756), (1288, 197534), (1396, 182252), (1981, 128432), (2264, 112378), (2443, 104144), (2576, 98767), (2792, 91126), (3962, 64216), (4528, 56189), (4886, 52072), (5584, 45563), (6509, 39088), (7924, 32108), (8027, 31696), (9772, 26036), (13018, 19544), (15848, 16054)]