78804275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 108847200

約数和(自身を除く): 30042925

約数列:

[1, 5, 11, 25, 55, 109, 121, 239, 275, 545, 605, 1195, 1199, 2629, 2725, 3025, 5975, 5995, 13145, 13189, 26051, 28919, 29975, 65725, 65945, 130255, 144595, 286561, 329725, 651275, 722975, 1432805, 3152171, 7164025, 15760855, 78804275]

約数ペア:

[(1, 78804275), (5, 15760855), (11, 7164025), (25, 3152171), (55, 1432805), (109, 722975), (121, 651275), (239, 329725), (275, 286561), (545, 144595), (605, 130255), (1195, 65945), (1199, 65725), (2629, 29975), (2725, 28919), (3025, 26051), (5975, 13189), (5995, 13145)]