30420425

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 46224720

約数和(自身を除く): 15804295

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 475, 665, 931, 1225, 1307, 3325, 4655, 6535, 9149, 23275, 24833, 32675, 45745, 64043, 124165, 173831, 228725, 320215, 620825, 869155, 1216817, 1601075, 4345775, 6084085, 30420425]

約数ペア:

[(1, 30420425), (5, 6084085), (7, 4345775), (19, 1601075), (25, 1216817), (35, 869155), (49, 620825), (95, 320215), (133, 228725), (175, 173831), (245, 124165), (475, 64043), (665, 45745), (931, 32675), (1225, 24833), (1307, 23275), (3325, 9149), (4655, 6535)]