268240900

素因数分解:

$2^2\times 5^2\times {\mathrm{1289}}^1\times {\mathrm{2081}}^1$

素因数の和:3384

約数の個数: 36

約数和(自身を含む): 582814260

約数和(自身を除く): 314573360

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1289, 2081, 2578, 4162, 5156, 6445, 8324, 10405, 12890, 20810, 25780, 32225, 41620, 52025, 64450, 104050, 128900, 208100, 2682409, 5364818, 10729636, 13412045, 26824090, 53648180, 67060225, 134120450, 268240900]

約数ペア:

[(1, 268240900), (2, 134120450), (4, 67060225), (5, 53648180), (10, 26824090), (20, 13412045), (25, 10729636), (50, 5364818), (100, 2682409), (1289, 208100), (2081, 128900), (2578, 104050), (4162, 64450), (5156, 52025), (6445, 41620), (8324, 32225), (10405, 25780), (12890, 20810)]