30905440

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{461}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 73347120

約数和(自身を除く): 42441680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 461, 838, 922, 1676, 1844, 2095, 2305, 3352, 3688, 4190, 4610, 6704, 7376, 8380, 9220, 13408, 14752, 16760, 18440, 33520, 36880, 67040, 73760, 193159, 386318, 772636, 965795, 1545272, 1931590, 3090544, 3863180, 6181088, 7726360, 15452720, 30905440]

約数ペア:

[(1, 30905440), (2, 15452720), (4, 7726360), (5, 6181088), (8, 3863180), (10, 3090544), (16, 1931590), (20, 1545272), (32, 965795), (40, 772636), (80, 386318), (160, 193159), (419, 73760), (461, 67040), (838, 36880), (922, 33520), (1676, 18440), (1844, 16760), (2095, 14752), (2305, 13408), (3352, 9220), (3688, 8380), (4190, 7376), (4610, 6704)]