128918510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{857}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 271134864

約数和(自身を除く): 142216354

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 307, 490, 614, 857, 1535, 1714, 2149, 3070, 4285, 4298, 5999, 8570, 10745, 11998, 15043, 21490, 29995, 30086, 41993, 59990, 75215, 83986, 150430, 209965, 263099, 419930, 526198, 1315495, 1841693, 2630990, 3683386, 9208465, 12891851, 18416930, 25783702, 64459255, 128918510]

約数ペア:

[(1, 128918510), (2, 64459255), (5, 25783702), (7, 18416930), (10, 12891851), (14, 9208465), (35, 3683386), (49, 2630990), (70, 1841693), (98, 1315495), (245, 526198), (307, 419930), (490, 263099), (614, 209965), (857, 150430), (1535, 83986), (1714, 75215), (2149, 59990), (3070, 41993), (4285, 30086), (4298, 29995), (5999, 21490), (8570, 15043), (10745, 11998)]