9002980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 21845376

約数和(自身を除く): 12842396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 601, 749, 1070, 1202, 1498, 2140, 2404, 2996, 3005, 3745, 4207, 6010, 7490, 8414, 12020, 14980, 16828, 21035, 42070, 64307, 84140, 128614, 257228, 321535, 450149, 643070, 900298, 1286140, 1800596, 2250745, 4501490, 9002980]

約数ペア:

[(1, 9002980), (2, 4501490), (4, 2250745), (5, 1800596), (7, 1286140), (10, 900298), (14, 643070), (20, 450149), (28, 321535), (35, 257228), (70, 128614), (107, 84140), (140, 64307), (214, 42070), (428, 21035), (535, 16828), (601, 14980), (749, 12020), (1070, 8414), (1202, 7490), (1498, 6010), (2140, 4207), (2404, 3745), (2996, 3005)]