305500525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 442828800

約数和(自身を除く): 137328275

約数列:

[1, 5, 11, 19, 25, 55, 59, 95, 209, 275, 295, 475, 649, 991, 1045, 1121, 1475, 3245, 4955, 5225, 5605, 10901, 12331, 16225, 18829, 24775, 28025, 54505, 58469, 61655, 94145, 207119, 272525, 292345, 308275, 470725, 643159, 1035595, 1110911, 1461725, 3215795, 5177975, 5554555, 12220021, 16078975, 27772775, 61100105, 305500525]

約数ペア:

[(1, 305500525), (5, 61100105), (11, 27772775), (19, 16078975), (25, 12220021), (55, 5554555), (59, 5177975), (95, 3215795), (209, 1461725), (275, 1110911), (295, 1035595), (475, 643159), (649, 470725), (991, 308275), (1045, 292345), (1121, 272525), (1475, 207119), (3245, 94145), (4955, 61655), (5225, 58469), (5605, 54505), (10901, 28025), (12331, 24775), (16225, 18829)]