304480025

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 383011200

約数和(自身を除く): 78531175

約数列:

[1, 5, 25, 131, 239, 389, 655, 1195, 1945, 3275, 5975, 9725, 31309, 50959, 92971, 156545, 254795, 464855, 782725, 1273975, 2324275, 12179201, 60896005, 304480025]

約数ペア:

[(1, 304480025), (5, 60896005), (25, 12179201), (131, 2324275), (239, 1273975), (389, 782725), (655, 464855), (1195, 254795), (1945, 156545), (3275, 92971), (5975, 50959), (9725, 31309)]