258789020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{22271}}^1$

素因数の和:22370

約数の個数: 48

約数和(自身を含む): 628604928

約数和(自身を除く): 369815908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 11620, 22271, 44542, 89084, 111355, 155897, 222710, 311794, 445420, 623588, 779485, 1558970, 1848493, 3117940, 3696986, 7393972, 9242465, 12939451, 18484930, 25878902, 36969860, 51757804, 64697255, 129394510, 258789020]

約数ペア:

[(1, 258789020), (2, 129394510), (4, 64697255), (5, 51757804), (7, 36969860), (10, 25878902), (14, 18484930), (20, 12939451), (28, 9242465), (35, 7393972), (70, 3696986), (83, 3117940), (140, 1848493), (166, 1558970), (332, 779485), (415, 623588), (581, 445420), (830, 311794), (1162, 222710), (1660, 155897), (2324, 111355), (2905, 89084), (5810, 44542), (11620, 22271)]