127795990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 270449280

約数和(自身を除く): 142653290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 89, 146, 178, 281, 365, 445, 511, 562, 623, 730, 890, 1022, 1246, 1405, 1967, 2555, 2810, 3115, 3934, 5110, 6230, 6497, 9835, 12994, 19670, 20513, 25009, 32485, 41026, 45479, 50018, 64970, 90958, 102565, 125045, 143591, 175063, 205130, 227395, 250090, 287182, 350126, 454790, 717955, 875315, 1435910, 1750630, 1825657, 3651314, 9128285, 12779599, 18256570, 25559198, 63897995, 127795990]

約数ペア:

[(1, 127795990), (2, 63897995), (5, 25559198), (7, 18256570), (10, 12779599), (14, 9128285), (35, 3651314), (70, 1825657), (73, 1750630), (89, 1435910), (146, 875315), (178, 717955), (281, 454790), (365, 350126), (445, 287182), (511, 250090), (562, 227395), (623, 205130), (730, 175063), (890, 143591), (1022, 125045), (1246, 102565), (1405, 90958), (1967, 64970), (2555, 50018), (2810, 45479), (3115, 41026), (3934, 32485), (5110, 25009), (6230, 20513), (6497, 19670), (9835, 12994)]