28729460

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 62233920

約数和(自身を除く): 33504460

約数列:

[1, 2, 4, 5, 10, 20, 59, 97, 118, 194, 236, 251, 295, 388, 485, 502, 590, 970, 1004, 1180, 1255, 1940, 2510, 5020, 5723, 11446, 14809, 22892, 24347, 28615, 29618, 48694, 57230, 59236, 74045, 97388, 114460, 121735, 148090, 243470, 296180, 486940, 1436473, 2872946, 5745892, 7182365, 14364730, 28729460]

約数ペア:

[(1, 28729460), (2, 14364730), (4, 7182365), (5, 5745892), (10, 2872946), (20, 1436473), (59, 486940), (97, 296180), (118, 243470), (194, 148090), (236, 121735), (251, 114460), (295, 97388), (388, 74045), (485, 59236), (502, 57230), (590, 48694), (970, 29618), (1004, 28615), (1180, 24347), (1255, 22892), (1940, 14809), (2510, 11446), (5020, 5723)]