2490256

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 5160384

約数和(自身を除く): 2670128

約数列:

[1, 2, 4, 8, 16, 23, 46, 67, 92, 101, 134, 184, 202, 268, 368, 404, 536, 808, 1072, 1541, 1616, 2323, 3082, 4646, 6164, 6767, 9292, 12328, 13534, 18584, 24656, 27068, 37168, 54136, 108272, 155641, 311282, 622564, 1245128, 2490256]

約数ペア:

[(1, 2490256), (2, 1245128), (4, 622564), (8, 311282), (16, 155641), (23, 108272), (46, 54136), (67, 37168), (92, 27068), (101, 24656), (134, 18584), (184, 13534), (202, 12328), (268, 9292), (368, 6767), (404, 6164), (536, 4646), (808, 3082), (1072, 2323), (1541, 1616)]