85191890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{173861}}^1$

素因数の和:173882

約数の個数: 24

約数和(自身を含む): 178382412

約数和(自身を除く): 93190522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 173861, 347722, 869305, 1217027, 1738610, 2434054, 6085135, 8519189, 12170270, 17038378, 42595945, 85191890]

約数ペア:

[(1, 85191890), (2, 42595945), (5, 17038378), (7, 12170270), (10, 8519189), (14, 6085135), (35, 2434054), (49, 1738610), (70, 1217027), (98, 869305), (245, 347722), (490, 173861)]