72647890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{857}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 153173592

約数和(自身を除く): 80525702

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 173, 245, 346, 490, 857, 865, 1211, 1714, 1730, 2422, 4285, 5999, 6055, 8477, 8570, 11998, 12110, 16954, 29995, 41993, 42385, 59990, 83986, 84770, 148261, 209965, 296522, 419930, 741305, 1037827, 1482610, 2075654, 5189135, 7264789, 10378270, 14529578, 36323945, 72647890]

約数ペア:

[(1, 72647890), (2, 36323945), (5, 14529578), (7, 10378270), (10, 7264789), (14, 5189135), (35, 2075654), (49, 1482610), (70, 1037827), (98, 741305), (173, 419930), (245, 296522), (346, 209965), (490, 148261), (857, 84770), (865, 83986), (1211, 59990), (1714, 42385), (1730, 41993), (2422, 29995), (4285, 16954), (5999, 12110), (6055, 11998), (8477, 8570)]