28857290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3407}}^1$

素因数の和:3443

約数の個数: 48

約数和(自身を含む): 65270016

約数和(自身を除く): 36412726

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 3407, 4235, 6814, 8470, 17035, 23849, 34070, 37477, 47698, 74954, 119245, 187385, 238490, 262339, 374770, 412247, 524678, 824494, 1311695, 2061235, 2623390, 2885729, 4122470, 5771458, 14428645, 28857290]

約数ペア:

[(1, 28857290), (2, 14428645), (5, 5771458), (7, 4122470), (10, 2885729), (11, 2623390), (14, 2061235), (22, 1311695), (35, 824494), (55, 524678), (70, 412247), (77, 374770), (110, 262339), (121, 238490), (154, 187385), (242, 119245), (385, 74954), (605, 47698), (770, 37477), (847, 34070), (1210, 23849), (1694, 17035), (3407, 8470), (4235, 6814)]