137779820

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{19853}}^1$

素因数の和:20209

約数の個数: 24

約数和(自身を含む): 290186064

約数和(自身を除く): 152406244

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 19853, 39706, 79412, 99265, 198530, 397060, 6888991, 13777982, 27555964, 34444955, 68889910, 137779820]

約数ペア:

[(1, 137779820), (2, 68889910), (4, 34444955), (5, 27555964), (10, 13777982), (20, 6888991), (347, 397060), (694, 198530), (1388, 99265), (1735, 79412), (3470, 39706), (6940, 19853)]