68013220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1787}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 156800448

約数和(自身を除く): 88787228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1787, 1903, 3460, 3574, 3806, 7148, 7612, 8935, 9515, 17870, 19030, 19657, 35740, 38060, 39314, 78628, 98285, 196570, 309151, 393140, 618302, 1236604, 1545755, 3091510, 3400661, 6183020, 6801322, 13602644, 17003305, 34006610, 68013220]

約数ペア:

[(1, 68013220), (2, 34006610), (4, 17003305), (5, 13602644), (10, 6801322), (11, 6183020), (20, 3400661), (22, 3091510), (44, 1545755), (55, 1236604), (110, 618302), (173, 393140), (220, 309151), (346, 196570), (692, 98285), (865, 78628), (1730, 39314), (1787, 38060), (1903, 35740), (3460, 19657), (3574, 19030), (3806, 17870), (7148, 9515), (7612, 8935)]