9491720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 24710400

約数和(自身を除く): 15218680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 311, 436, 545, 622, 763, 872, 1090, 1244, 1526, 1555, 2177, 2180, 2488, 3052, 3110, 3815, 4354, 4360, 6104, 6220, 7630, 8708, 10885, 12440, 15260, 17416, 21770, 30520, 33899, 43540, 67798, 87080, 135596, 169495, 237293, 271192, 338990, 474586, 677980, 949172, 1186465, 1355960, 1898344, 2372930, 4745860, 9491720]

約数ペア:

[(1, 9491720), (2, 4745860), (4, 2372930), (5, 1898344), (7, 1355960), (8, 1186465), (10, 949172), (14, 677980), (20, 474586), (28, 338990), (35, 271192), (40, 237293), (56, 169495), (70, 135596), (109, 87080), (140, 67798), (218, 43540), (280, 33899), (311, 30520), (436, 21770), (545, 17416), (622, 15260), (763, 12440), (872, 10885), (1090, 8708), (1244, 7630), (1526, 6220), (1555, 6104), (2177, 4360), (2180, 4354), (2488, 3815), (3052, 3110)]