142421180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2903}}^1$

素因数の和:3146

約数の個数: 48

約数和(自身を含む): 327849984

約数和(自身を除く): 185428804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 892, 1115, 2230, 2453, 2903, 4460, 4906, 5806, 9812, 11612, 12265, 14515, 24530, 29030, 31933, 49060, 58060, 63866, 127732, 159665, 319330, 638660, 647369, 1294738, 2589476, 3236845, 6473690, 7121059, 12947380, 14242118, 28484236, 35605295, 71210590, 142421180]

約数ペア:

[(1, 142421180), (2, 71210590), (4, 35605295), (5, 28484236), (10, 14242118), (11, 12947380), (20, 7121059), (22, 6473690), (44, 3236845), (55, 2589476), (110, 1294738), (220, 647369), (223, 638660), (446, 319330), (892, 159665), (1115, 127732), (2230, 63866), (2453, 58060), (2903, 49060), (4460, 31933), (4906, 29030), (5806, 24530), (9812, 14515), (11612, 12265)]