30019025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 12728239

約数列:

[1, 5, 17, 23, 25, 37, 83, 85, 115, 185, 391, 415, 425, 575, 629, 851, 925, 1411, 1909, 1955, 2075, 3071, 3145, 4255, 7055, 9545, 9775, 14467, 15355, 15725, 21275, 32453, 35275, 47725, 52207, 70633, 72335, 76775, 162265, 261035, 353165, 361675, 811325, 1200761, 1305175, 1765825, 6003805, 30019025]

約数ペア:

[(1, 30019025), (5, 6003805), (17, 1765825), (23, 1305175), (25, 1200761), (37, 811325), (83, 361675), (85, 353165), (115, 261035), (185, 162265), (391, 76775), (415, 72335), (425, 70633), (575, 52207), (629, 47725), (851, 35275), (925, 32453), (1411, 21275), (1909, 15725), (1955, 15355), (2075, 14467), (3071, 9775), (3145, 9545), (4255, 7055)]