123236980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 267288336

約数和(自身を除く): 144051356

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 274, 410, 548, 685, 820, 1097, 1370, 2194, 2740, 4388, 5485, 5617, 10970, 11234, 21940, 22468, 28085, 44977, 56170, 89954, 112340, 150289, 179908, 224885, 300578, 449770, 601156, 751445, 899540, 1502890, 3005780, 6161849, 12323698, 24647396, 30809245, 61618490, 123236980]

約数ペア:

[(1, 123236980), (2, 61618490), (4, 30809245), (5, 24647396), (10, 12323698), (20, 6161849), (41, 3005780), (82, 1502890), (137, 899540), (164, 751445), (205, 601156), (274, 449770), (410, 300578), (548, 224885), (685, 179908), (820, 150289), (1097, 112340), (1370, 89954), (2194, 56170), (2740, 44977), (4388, 28085), (5485, 22468), (5617, 21940), (10970, 11234)]