257402810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{9601}}^1$

素因数の和:9998

約数の個数: 32

約数和(自身を含む): 530952192

約数和(自身を除く): 273549382

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 383, 766, 1915, 2681, 3830, 5362, 9601, 13405, 19202, 26810, 48005, 67207, 96010, 134414, 336035, 672070, 3677183, 7354366, 18385915, 25740281, 36771830, 51480562, 128701405, 257402810]

約数ペア:

[(1, 257402810), (2, 128701405), (5, 51480562), (7, 36771830), (10, 25740281), (14, 18385915), (35, 7354366), (70, 3677183), (383, 672070), (766, 336035), (1915, 134414), (2681, 96010), (3830, 67207), (5362, 48005), (9601, 26810), (13405, 19202)]