74305075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 102340920

約数和(自身を除く): 28035845

約数列:

[1, 5, 13, 25, 43, 65, 169, 215, 325, 409, 559, 845, 1075, 2045, 2795, 4225, 5317, 7267, 10225, 13975, 17587, 26585, 36335, 69121, 87935, 132925, 181675, 228631, 345605, 439675, 1143155, 1728025, 2972203, 5715775, 14861015, 74305075]

約数ペア:

[(1, 74305075), (5, 14861015), (13, 5715775), (25, 2972203), (43, 1728025), (65, 1143155), (169, 439675), (215, 345605), (325, 228631), (409, 181675), (559, 132925), (845, 87935), (1075, 69121), (2045, 36335), (2795, 26585), (4225, 17587), (5317, 13975), (7267, 10225)]