74753620

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18973}}^1$

素因数の和:19179

約数の個数: 24

約数和(自身を含む): 157787784

約数和(自身を除く): 83034164

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 18973, 37946, 75892, 94865, 189730, 379460, 3737681, 7475362, 14950724, 18688405, 37376810, 74753620]

約数ペア:

[(1, 74753620), (2, 37376810), (4, 18688405), (5, 14950724), (10, 7475362), (20, 3737681), (197, 379460), (394, 189730), (788, 94865), (985, 75892), (1970, 37946), (3940, 18973)]