74818580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{491}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 166138560

約数和(自身を除く): 91319980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 401, 491, 802, 982, 1604, 1964, 2005, 2455, 4010, 4910, 7619, 8020, 9329, 9820, 15238, 18658, 30476, 37316, 38095, 46645, 76190, 93290, 152380, 186580, 196891, 393782, 787564, 984455, 1968910, 3740929, 3937820, 7481858, 14963716, 18704645, 37409290, 74818580]

約数ペア:

[(1, 74818580), (2, 37409290), (4, 18704645), (5, 14963716), (10, 7481858), (19, 3937820), (20, 3740929), (38, 1968910), (76, 984455), (95, 787564), (190, 393782), (380, 196891), (401, 186580), (491, 152380), (802, 93290), (982, 76190), (1604, 46645), (1964, 38095), (2005, 37316), (2455, 30476), (4010, 18658), (4910, 15238), (7619, 9820), (8020, 9329)]