10787980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 26078976

約数和(自身を除く): 15290996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 307, 502, 614, 1004, 1228, 1255, 1535, 1757, 2149, 2510, 3070, 3514, 4298, 5020, 6140, 7028, 8596, 8785, 10745, 17570, 21490, 35140, 42980, 77057, 154114, 308228, 385285, 539399, 770570, 1078798, 1541140, 2157596, 2696995, 5393990, 10787980]

約数ペア:

[(1, 10787980), (2, 5393990), (4, 2696995), (5, 2157596), (7, 1541140), (10, 1078798), (14, 770570), (20, 539399), (28, 385285), (35, 308228), (70, 154114), (140, 77057), (251, 42980), (307, 35140), (502, 21490), (614, 17570), (1004, 10745), (1228, 8785), (1255, 8596), (1535, 7028), (1757, 6140), (2149, 5020), (2510, 4298), (3070, 3514)]