122840980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{823}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 274095360

約数和(自身を除く): 151254380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 823, 878, 1646, 1756, 2195, 3292, 4115, 4390, 7463, 8230, 8780, 13991, 14926, 16460, 27982, 29852, 37315, 55964, 69955, 74630, 139910, 149260, 279820, 361297, 722594, 1445188, 1806485, 3612970, 6142049, 7225940, 12284098, 24568196, 30710245, 61420490, 122840980]

約数ペア:

[(1, 122840980), (2, 61420490), (4, 30710245), (5, 24568196), (10, 12284098), (17, 7225940), (20, 6142049), (34, 3612970), (68, 1806485), (85, 1445188), (170, 722594), (340, 361297), (439, 279820), (823, 149260), (878, 139910), (1646, 74630), (1756, 69955), (2195, 55964), (3292, 37315), (4115, 29852), (4390, 27982), (7463, 16460), (8230, 14926), (8780, 13991)]