73622740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 158336640

約数和(自身を除く): 84713900

約数列:

[1, 2, 4, 5, 10, 20, 71, 139, 142, 278, 284, 355, 373, 556, 695, 710, 746, 1390, 1420, 1492, 1865, 2780, 3730, 7460, 9869, 19738, 26483, 39476, 49345, 51847, 52966, 98690, 103694, 105932, 132415, 197380, 207388, 259235, 264830, 518470, 529660, 1036940, 3681137, 7362274, 14724548, 18405685, 36811370, 73622740]

約数ペア:

[(1, 73622740), (2, 36811370), (4, 18405685), (5, 14724548), (10, 7362274), (20, 3681137), (71, 1036940), (139, 529660), (142, 518470), (278, 264830), (284, 259235), (355, 207388), (373, 197380), (556, 132415), (695, 105932), (710, 103694), (746, 98690), (1390, 52966), (1420, 51847), (1492, 49345), (1865, 39476), (2780, 26483), (3730, 19738), (7460, 9869)]