219730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 32

約数和(自身を含む): 468864

約数和(自身を除く): 249134

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 73, 86, 146, 215, 301, 365, 430, 511, 602, 730, 1022, 1505, 2555, 3010, 3139, 5110, 6278, 15695, 21973, 31390, 43946, 109865, 219730]

約数ペア:

[(1, 219730), (2, 109865), (5, 43946), (7, 31390), (10, 21973), (14, 15695), (35, 6278), (43, 5110), (70, 3139), (73, 3010), (86, 2555), (146, 1505), (215, 1022), (301, 730), (365, 602), (430, 511)]