247537360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{442031}}^1$

素因数の和:442051

約数の個数: 40

約数和(自身を含む): 657743616

約数和(自身を除く): 410206256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 442031, 884062, 1768124, 2210155, 3094217, 3536248, 4420310, 6188434, 7072496, 8840620, 12376868, 15471085, 17681240, 24753736, 30942170, 35362480, 49507472, 61884340, 123768680, 247537360]

約数ペア:

[(1, 247537360), (2, 123768680), (4, 61884340), (5, 49507472), (7, 35362480), (8, 30942170), (10, 24753736), (14, 17681240), (16, 15471085), (20, 12376868), (28, 8840620), (35, 7072496), (40, 6188434), (56, 4420310), (70, 3536248), (80, 3094217), (112, 2210155), (140, 1768124), (280, 884062), (560, 442031)]