281892325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2719}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 424972800

約数和(自身を除く): 143080475

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 143, 145, 275, 319, 325, 377, 715, 725, 1595, 1885, 2719, 3575, 4147, 7975, 9425, 13595, 20735, 29909, 35347, 67975, 78851, 103675, 149545, 176735, 388817, 394255, 747725, 867361, 883675, 1025063, 1944085, 1971275, 4336805, 5125315, 9720425, 11275693, 21684025, 25626575, 56378465, 281892325]

約数ペア:

[(1, 281892325), (5, 56378465), (11, 25626575), (13, 21684025), (25, 11275693), (29, 9720425), (55, 5125315), (65, 4336805), (143, 1971275), (145, 1944085), (275, 1025063), (319, 883675), (325, 867361), (377, 747725), (715, 394255), (725, 388817), (1595, 176735), (1885, 149545), (2719, 103675), (3575, 78851), (4147, 67975), (7975, 35347), (9425, 29909), (13595, 20735)]