29307025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 13547375

約数列:

[1, 5, 11, 19, 25, 55, 71, 79, 95, 209, 275, 355, 395, 475, 781, 869, 1045, 1349, 1501, 1775, 1975, 3905, 4345, 5225, 5609, 6745, 7505, 14839, 16511, 19525, 21725, 28045, 33725, 37525, 61699, 74195, 82555, 106571, 140225, 308495, 370975, 412775, 532855, 1172281, 1542475, 2664275, 5861405, 29307025]

約数ペア:

[(1, 29307025), (5, 5861405), (11, 2664275), (19, 1542475), (25, 1172281), (55, 532855), (71, 412775), (79, 370975), (95, 308495), (209, 140225), (275, 106571), (355, 82555), (395, 74195), (475, 61699), (781, 37525), (869, 33725), (1045, 28045), (1349, 21725), (1501, 19525), (1775, 16511), (1975, 14839), (3905, 7505), (4345, 6745), (5225, 5609)]