30861425

素因数分解:

$5^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 46128000

約数和(自身を除く): 15266575

約数列:

[1, 5, 7, 25, 35, 49, 59, 61, 175, 245, 295, 305, 343, 413, 427, 1225, 1475, 1525, 1715, 2065, 2135, 2891, 2989, 3599, 8575, 10325, 10675, 14455, 14945, 17995, 20237, 20923, 25193, 72275, 74725, 89975, 101185, 104615, 125965, 176351, 505925, 523075, 629825, 881755, 1234457, 4408775, 6172285, 30861425]

約数ペア:

[(1, 30861425), (5, 6172285), (7, 4408775), (25, 1234457), (35, 881755), (49, 629825), (59, 523075), (61, 505925), (175, 176351), (245, 125965), (295, 104615), (305, 101185), (343, 89975), (413, 74725), (427, 72275), (1225, 25193), (1475, 20923), (1525, 20237), (1715, 17995), (2065, 14945), (2135, 14455), (2891, 10675), (2989, 10325), (3599, 8575)]