308123456

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 84

約数和(自身を含む): 674217600

約数和(自身を除く): 366094144

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 152, 184, 304, 368, 437, 479, 529, 608, 736, 874, 958, 1058, 1216, 1472, 1748, 1916, 2116, 3496, 3832, 4232, 6992, 7664, 8464, 9101, 10051, 11017, 13984, 15328, 16928, 18202, 20102, 22034, 27968, 30656, 33856, 36404, 40204, 44068, 72808, 80408, 88136, 145616, 160816, 176272, 209323, 253391, 291232, 321632, 352544, 418646, 506782, 582464, 643264, 705088, 837292, 1013564, 1674584, 2027128, 3349168, 4054256, 4814429, 6698336, 8108512, 9628858, 13396672, 16217024, 19257716, 38515432, 77030864, 154061728, 308123456]

約数ペア:

[(1, 308123456), (2, 154061728), (4, 77030864), (8, 38515432), (16, 19257716), (19, 16217024), (23, 13396672), (32, 9628858), (38, 8108512), (46, 6698336), (64, 4814429), (76, 4054256), (92, 3349168), (152, 2027128), (184, 1674584), (304, 1013564), (368, 837292), (437, 705088), (479, 643264), (529, 582464), (608, 506782), (736, 418646), (874, 352544), (958, 321632), (1058, 291232), (1216, 253391), (1472, 209323), (1748, 176272), (1916, 160816), (2116, 145616), (3496, 88136), (3832, 80408), (4232, 72808), (6992, 44068), (7664, 40204), (8464, 36404), (9101, 33856), (10051, 30656), (11017, 27968), (13984, 22034), (15328, 20102), (16928, 18202)]