881039390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{2293}}^1$

素因数の和:2817

約数の個数: 64

約数和(自身を含む): 1982016000

約数和(自身を除く): 1100976610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 499, 770, 998, 2293, 2495, 3493, 4586, 4990, 5489, 6986, 10978, 11465, 16051, 17465, 22930, 25223, 27445, 32102, 34930, 38423, 50446, 54890, 76846, 80255, 126115, 160510, 176561, 192115, 252230, 353122, 384230, 882805, 1144207, 1765610, 2288414, 5721035, 8009449, 11442070, 12586277, 16018898, 25172554, 40047245, 62931385, 80094490, 88103939, 125862770, 176207878, 440519695, 881039390]

約数ペア:

[(1, 881039390), (2, 440519695), (5, 176207878), (7, 125862770), (10, 88103939), (11, 80094490), (14, 62931385), (22, 40047245), (35, 25172554), (55, 16018898), (70, 12586277), (77, 11442070), (110, 8009449), (154, 5721035), (385, 2288414), (499, 1765610), (770, 1144207), (998, 882805), (2293, 384230), (2495, 353122), (3493, 252230), (4586, 192115), (4990, 176561), (5489, 160510), (6986, 126115), (10978, 80255), (11465, 76846), (16051, 54890), (17465, 50446), (22930, 38423), (25223, 34930), (27445, 32102)]