780528024620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1\times {\mathrm{100519}}^1$

素因数の和:102678

約数の個数: 48

約数和(自身を含む): 1648206336000

約数和(自身を除く): 867678311380

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1951, 1990, 3902, 3980, 7804, 9755, 19510, 39020, 100519, 201038, 388249, 402076, 502595, 776498, 1005190, 1552996, 1941245, 2010380, 3882490, 7764980, 20003281, 40006562, 80013124, 100016405, 196112569, 200032810, 392225138, 400065620, 784450276, 980562845, 1961125690, 3922251380, 39026401231, 78052802462, 156105604924, 195132006155, 390264012310, 780528024620]

約数ペア:

[(1, 780528024620), (2, 390264012310), (4, 195132006155), (5, 156105604924), (10, 78052802462), (20, 39026401231), (199, 3922251380), (398, 1961125690), (796, 980562845), (995, 784450276), (1951, 400065620), (1990, 392225138), (3902, 200032810), (3980, 196112569), (7804, 100016405), (9755, 80013124), (19510, 40006562), (39020, 20003281), (100519, 7764980), (201038, 3882490), (388249, 2010380), (402076, 1941245), (502595, 1552996), (776498, 1005190)]