87388280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{312101}}^1$

素因数の和:312119

約数の個数: 32

約数和(自身を含む): 224713440

約数和(自身を除く): 137325160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 312101, 624202, 1248404, 1560505, 2184707, 2496808, 3121010, 4369414, 6242020, 8738828, 10923535, 12484040, 17477656, 21847070, 43694140, 87388280]

約数ペア:

[(1, 87388280), (2, 43694140), (4, 21847070), (5, 17477656), (7, 12484040), (8, 10923535), (10, 8738828), (14, 6242020), (20, 4369414), (28, 3121010), (35, 2496808), (40, 2184707), (56, 1560505), (70, 1248404), (140, 624202), (280, 312101)]