1271966740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{10687}}^1$

素因数の和:11248

約数の個数: 48

約数和(自身を含む): 2919619584

約数和(自身を除く): 1647652844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 541, 1082, 2164, 2705, 5410, 5951, 10687, 10820, 11902, 21374, 23804, 29755, 42748, 53435, 59510, 106870, 117557, 119020, 213740, 235114, 470228, 587785, 1175570, 2351140, 5781667, 11563334, 23126668, 28908335, 57816670, 63598337, 115633340, 127196674, 254393348, 317991685, 635983370, 1271966740]

約数ペア:

[(1, 1271966740), (2, 635983370), (4, 317991685), (5, 254393348), (10, 127196674), (11, 115633340), (20, 63598337), (22, 57816670), (44, 28908335), (55, 23126668), (110, 11563334), (220, 5781667), (541, 2351140), (1082, 1175570), (2164, 587785), (2705, 470228), (5410, 235114), (5951, 213740), (10687, 119020), (10820, 117557), (11902, 106870), (21374, 59510), (23804, 53435), (29755, 42748)]