129737960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{294859}}^1$

素因数の和:294881

約数の個数: 32

約数和(自身を含む): 318448800

約数和(自身を除く): 188710840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 294859, 589718, 1179436, 1474295, 2358872, 2948590, 3243449, 5897180, 6486898, 11794360, 12973796, 16217245, 25947592, 32434490, 64868980, 129737960]

約数ペア:

[(1, 129737960), (2, 64868980), (4, 32434490), (5, 25947592), (8, 16217245), (10, 12973796), (11, 11794360), (20, 6486898), (22, 5897180), (40, 3243449), (44, 2948590), (55, 2358872), (88, 1474295), (110, 1179436), (220, 589718), (440, 294859)]