64380890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 137846016

約数和(自身を除く): 73465126

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 73, 86, 146, 215, 293, 301, 365, 430, 511, 586, 602, 730, 1022, 1465, 1505, 2051, 2555, 2930, 3010, 3139, 4102, 5110, 6278, 10255, 12599, 15695, 20510, 21389, 21973, 25198, 31390, 42778, 43946, 62995, 88193, 106945, 109865, 125990, 149723, 176386, 213890, 219730, 299446, 440965, 748615, 881930, 919727, 1497230, 1839454, 4598635, 6438089, 9197270, 12876178, 32190445, 64380890]

約数ペア:

[(1, 64380890), (2, 32190445), (5, 12876178), (7, 9197270), (10, 6438089), (14, 4598635), (35, 1839454), (43, 1497230), (70, 919727), (73, 881930), (86, 748615), (146, 440965), (215, 299446), (293, 219730), (301, 213890), (365, 176386), (430, 149723), (511, 125990), (586, 109865), (602, 106945), (730, 88193), (1022, 62995), (1465, 43946), (1505, 42778), (2051, 31390), (2555, 25198), (2930, 21973), (3010, 21389), (3139, 20510), (4102, 15695), (5110, 12599), (6278, 10255)]