38858999620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{391487}}^1$

素因数の和:392212

約数の個数: 48

約数和(自身を含む): 93393377280

約数和(自身を除く): 54534377660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 1418, 2836, 3545, 4963, 7090, 9926, 14180, 19852, 24815, 49630, 99260, 391487, 782974, 1565948, 1957435, 2740409, 3914870, 5480818, 7829740, 10961636, 13702045, 27404090, 54808180, 277564283, 555128566, 1110257132, 1387821415, 1942949981, 2775642830, 3885899962, 5551285660, 7771799924, 9714749905, 19429499810, 38858999620]

約数ペア:

[(1, 38858999620), (2, 19429499810), (4, 9714749905), (5, 7771799924), (7, 5551285660), (10, 3885899962), (14, 2775642830), (20, 1942949981), (28, 1387821415), (35, 1110257132), (70, 555128566), (140, 277564283), (709, 54808180), (1418, 27404090), (2836, 13702045), (3545, 10961636), (4963, 7829740), (7090, 5480818), (9926, 3914870), (14180, 2740409), (19852, 1957435), (24815, 1565948), (49630, 782974), (99260, 391487)]