255430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 544320

約数和(自身を除く): 288890

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 89, 178, 205, 287, 410, 445, 574, 623, 890, 1246, 1435, 2870, 3115, 3649, 6230, 7298, 18245, 25543, 36490, 51086, 127715, 255430]

約数ペア:

[(1, 255430), (2, 127715), (5, 51086), (7, 36490), (10, 25543), (14, 18245), (35, 7298), (41, 6230), (70, 3649), (82, 3115), (89, 2870), (178, 1435), (205, 1246), (287, 890), (410, 623), (445, 574)]