77476870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 147304800

約数和(自身を除く): 69827930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 409, 818, 997, 1994, 2045, 4090, 4985, 7771, 9970, 15542, 18943, 37886, 38855, 77710, 94715, 189430, 407773, 815546, 2038865, 4077730, 7747687, 15495374, 38738435, 77476870]

約数ペア:

[(1, 77476870), (2, 38738435), (5, 15495374), (10, 7747687), (19, 4077730), (38, 2038865), (95, 815546), (190, 407773), (409, 189430), (818, 94715), (997, 77710), (1994, 38855), (2045, 37886), (4090, 18943), (4985, 15542), (7771, 9970)]